1st on the list, which puts it at an estimated 10–40% of the formula.
1,3-dihydroxypropane
Hydration
TIRTIR
Pure Vitamin C24 Serum
face serum
TIRTIR
Pure Vitamin C24 Serum
face serum
Added Last edited
Fit by skin type
General, ingredient-based — not your personalized match.
Dry
56%
Combination (dry)
56%
Balanced
86%
Combination (oily)
84%
Oily
84%
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17
Ingredients
5
Benefits
2
Actives
Achieve a plump and youthful complexion with the TirTir Pure Vitamin C24 Serum, a powerful brightening solution enriched with 24% pure Vitamin C. This high-performance serum rejuvenates sagging skin, diminishes fine lines, and fades hyperpigmentation, promoting clarity and radiance. Infused with triple collagen to boost skin elasticity and a CICA-7 Complex to soothe and calm, it offers comprehensive care for blemishes, uneven skin tone, and melasma. Dermatologically tested and non-irritating, this serum provides firming, brightening, and calming effects, making it ideal for sensitive skin seeking a radiant and youthful glow.
Key Insights
Benefits
5
Anti-Aging
Dark Spot Fading
Evens Skin Tone
Hydration
Soothing
Active Ingredients
2
Neuropeptides
Vitamin C
Full Ingredients
17 total
About Pure Vitamin C24 Serum
Overview
Pure Vitamin C24 Serum is a lightweight serum from TIRTIR. The formula is built mainly around hydration. The ingredient list runs to 16 ingredients, each broken down in full below.
Texture and finish
By its ingredient list the formula reads as light: water and humectants lead, with emollients kept lower in the order. Hydration is handled by Propanediol, Betaine and Butylene Glycol, humectants that pull water into the upper layers of skin rather than sealing it there.
What the formula does
Hydration: High. Ingredients that pull and hold water in the upper layers of skin, and here that comes from Propanediol, Betaine, Butylene Glycol and Hydrolyzed Collagen.
Soothing: Moderate. Ingredients aimed at visible redness and reactivity, and here that comes from Centella Asiatica Extract, Centella Asiatica Leaf Extract, Asiaticoside and Madecassoside.
Antioxidant support: Moderate. Ingredients that mop up free radicals from UV and pollution, and here that comes from Ascorbic Acid.
Brightening: Moderate. Ingredients that act on uneven tone and post-inflammatory marks, and here that comes from Ascorbic Acid.
Who it suits
On richness alone it suits Balanced, Combination (oily) and Oily skin best, and is the least natural fit for Dry and Combination (dry) skin. Nothing in the list is flagged as a common irritant, which is a reasonable starting point for reactive skin — though a patch test is still the only way to know.
What it does not target
The formula contributes little or nothing on barrier support, oil control, cell renewal and firmness signalling. That is not a fault — most products are not meant to do everything — but if one of those is your priority, this is not the product that will address it. One ingredient on the label has not been matched to our database yet, so the analysis above reads a slightly incomplete list.
Where it fits in a routine
It can be used morning and evening. In a routine it goes after toner, before moisturiser. Apply to clean, dry skin and give it a minute to absorb before the next layer. Introduce one new treatment at a time so you can identify what is working.
This summary is generated from the product's ingredient list. It is not a review, it is not the brand's own marketing claims, and it does not replace advice from a dermatologist.
Pros and cons
Drawn purely from the ingredient list
Pros
- Strong humectant content for hydration
- No common irritants flagged in the list
Things to know
- Part of the label has not been matched to our ingredient database yet
Which skin types it suits
Scored on how rich or light the formula reads from its INCI order.
Suitable for
- Balanced skin
- Combination (oily) skin
- Oily skin
Less suitable for
- Dry skin
- Combination (dry) skin
Sensitive skin
No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.
Skin concerns
Based on the curated benefits documented for this product's ingredients.
Helps with
-
Anti-Aging 7 ingredients
Boosts collagen and cell turnover to reduce fine lines and wrinkles
-
Hydration 6 ingredients
Attracts and locks in moisture to keep skin plump and dewy
-
Soothing 4 ingredients
Calms redness, irritation, and inflammation for sensitive skin
-
Dark Spot Fading 1 ingredient
Fades hyperpigmentation and evens out dark spots over time
-
Evens Skin Tone 1 ingredient
Brightens and balances complexion for a more uniform appearance
Does not target
Anti-Acne
Blackhead Reducing
Oil Control
Pore Minimizer
Smooths Bumpy Skin
None of the ingredients in this formula are associated with these benefits. This is not unusual, as most products are designed to target a limited number of concerns.
Key ingredients
The actives, UV filters and benefit-carrying ingredients in this formula, in the order they are listed.
Ascorbic Acid
Vitamin C
2nd on the list, which puts it at an estimated 5–20% of the formula.
Ascorbic acid
Anti-Aging
Dark Spot Fading
Evens Skin Tone
3rd on the list, which puts it at an estimated 5–20% of the formula.
Methanaminium, 1-carboxy-N,N,N-trimethyl-, hydroxide, inner salt
Hydration
4th on the list, which puts it at an estimated 2–10% of the formula.
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Hydration
6th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Centella Asiatica Extract is the extract of the whole plant Hydrocotyl, Centella asiatica L., Apiaceae
Soothing
Anti-Aging
8th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Collagens, hydrolyzates. Substance obtained by acidic, alkaline, or enzymatic hydrolysis of hoofs and horns composed primarily of amino acids, peptides, and proteins. It may contain impurities consisting chiefly of carbohydrates and lipids along with smaller quantities of miscellaneous organic substances of biological origin.
Hydration
11th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
(2.alpha.,3.beta.,4.alpha.)-2,3,23-Trihydroxyurs-12-en-28-oic acid
Anti-Aging
12th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Urs-12-en-28-oic acid, 2,3,23-trihydroxy-, O-6-deoxy-alpha-L-mannopyranosyl-(1->4)-O-beta-D-glucopyranosyl-(1->6)-beta-D-glucopyranosyl ester (2alpha, 3beta, 4alpha)-
Anti-Aging
Soothing
Acetyl Hexapeptide-8
Neuropeptides
13th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Acetyl hexapeptide-8 is the synthetic peptide consisting of arginine, methionine, and acetylated glutamic acid residues
Anti-Aging
Hydration
14th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Urs-12-en-28-oic acid, 2,3,6,23-tetrahydroxy-, (2alpha,3beta,4alpha,6beta)-
Anti-Aging
Soothing
15th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
O-6-Deoxy-α-L-mannopyranosyl-(1→4)-O-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl (2α,3β,4α,6β)-2,3,6,23-tetrahydroxyurs-12-en-28-oate
Anti-Aging
Soothing
16th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Hydration
Formula analysis
Each axis is scored from the ingredients present and how high up the list they sit.
Hydration
High
Ingredients that pull and hold water in the upper layers of skin
Barrier support
None
Lipids and repair signals that support skin barrier integrity
Antioxidant support
Moderate
Ingredients that mop up free radicals from UV and pollution
Oil control
None
Ingredients that moderate sebum or absorb shine
Brightening
Moderate
Ingredients that act on uneven tone and post-inflammatory marks
Soothing
Moderate
Ingredients aimed at visible redness and reactivity
Cell renewal
None
Retinoids, acids and enzymes that speed surface turnover
Firmness signalling
None
Peptides and growth factors that signal for collagen support
Active and supporting ingredients
"Active" here means an ingredient carrying a recorded active type or a recognised UV filter.
Active ingredients (2)
- Ascorbic Acid · 5–20%
- Acetyl Hexapeptide-8 · under 1%
Supporting ingredients (14)
Solvents, emollients, texture agents and preservatives — the formula that carries the actives.
Propanediol
Betaine
Butylene Glycol
1,2-hexanediol
Centella Asiatica Extract
Centella Asiatica Leaf Extract
Hydrolyzed Collagen
Soluble Collagen
Atelocollagen
Asiatic Acid
Asiaticoside
Madecassic Acid
Madecassoside
Water
What to layer it with
Judged by the same curated rules our routine checker uses. It reads the ingredients, not the label.
Compatible with
- Vitamin C (L-ascorbic acid)
- PHAs (gluconolactone)
- Azelaic acid
- Copper peptides
- Bakuchiol
- Niacinamide
- Hyaluronic acid
- Ceramides
- Signal peptides
- Panthenol
- Sunscreen
Use with caution
-
Benzoyl peroxide
Best kept to separate routines — one in the morning, one at night, or on alternate days.
-
Retinoids (retinol, retinal)
Can be layered, but the combination raises the irritation risk. Go slowly.
-
AHAs (glycolic, lactic)
Can be layered, but the combination raises the irritation risk. Go slowly.
-
BHA (salicylic acid)
Can be layered, but the combination raises the irritation risk. Go slowly.
Where it fits in a routine
Morning
Evening
- Cleanse
- Toning
- Treat
- Moisturise
- Protect
This product is the "Treat" step.
- Apply to clean, dry skin and give it a minute to absorb before the next layer.
- Introduce one new treatment at a time so you can identify what is working.
Safety and suitability
Flags to check, not verdicts. None of this is medical advice — if you are pregnant, breastfeeding or treating a skin condition, ask a doctor.
- Pregnancy and breastfeeding
- Nothing in this formula is on the standard pregnancy-caution list. That is not clearance — ask your doctor about anything you use daily.
- Fungal acne (malassezia)
- No ingredient here is a recognised food source for malassezia.
- Sensitive and reactive skin
- No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.
Ingredients by function
Most ingredients do more than one job, so these counts add up to more than the 16 ingredients on the label.
5
Humectant
Draws water into the upper layers of skin
4
Solvent
Dissolves and carries everything else
3
Antioxidant
Neutralises free radicals from UV and pollution
3
Texture agent
Sets the thickness, spread and stability of the formula
2
Active
Changes how skin behaves rather than how it feels
2
Occlusive
Forms a film that slows water loss
2
Plant extract
Botanical material, usually for antioxidants or scent
1
Soothing
Calms visible redness and irritation
1
Emollient
Softens and smooths by filling gaps between skin cells
1
Peptide
Amino-acid chains that signal for repair or firmness
1
pH adjuster
Sets the acidity the formula needs to work
1
Surfactant
Lifts oil and dirt, or holds oil and water together
Ingredient breakdown
Every ingredient on the label, in order, with what it does and roughly how much of it is likely to be there.
- Estimated level
- 10–40%
- Confidence
- Moderate — INCI order above the 1% line
- Roles
- Texture agent, Solvent
1st on the list, which puts it at an estimated 10–40% of the formula.
1,3-dihydroxypropane
Hydration
4 scientific references
- PubChem Compound Summary, April 2021, ePublication
- SpecialChem, Accessed April 2021, ePublication
- Cosmetic Ingredient Review, June 2018, pages 1-73
- Cosmetics & Toiletries, May 2013, pages 81-86
- Estimated level
- 5–20%
- Confidence
- Moderate — INCI order above the 1% line
- Roles
- Active, Antioxidant, pH adjuster
2nd on the list, which puts it at an estimated 5–20% of the formula.
Ascorbic acid
Anti-Aging
Dark Spot Fading
Evens Skin Tone
12 scientific references
- Drug Delivery, February 2021, pages 445-453
- Journal of Cosmetic Dermatology, December 2020, pages 3, 262-3, 269
- Journal of Oral and Maxillofacial Pathology, May-August 2020, pages 374-382
- Journal of Cosmetic Dermatology, March 2020, pages 671-676
- Journal of Clinical and Aesthetic Dermatology, July 2017 pages 14-17
- Journal of Drugs in Dermatology, July 2016, pages 863-867
- Clinical, Cosmetic, and Investigational Dermatology, September 2015, pages 463-470
- Indian Dermatology Online Journal, April-June 2013, pages 143-146
- AAPS PharmSciTech, July 2011, pages 917-923
- Journal of Drugs in Dermatology, July 2008, Supplement, pages s2-s6
- International Journal of Toxicology, Supplement 2, March 2005, pages 51-111
- Skin Pharmacology and Physiology, July-August 2004, pages 200-206
- Estimated level
- 5–20%
- Confidence
- Moderate — INCI order above the 1% line
- Roles
- Humectant, Texture agent
3rd on the list, which puts it at an estimated 5–20% of the formula.
Methanaminium, 1-carboxy-N,N,N-trimethyl-, hydroxide, inner salt
Hydration
5 scientific references
- International Journal of Toxicology, 2018, pages 28S-46S
- Food Science and Biotechnology, October 2017, pages 1391-1397
- The Journal of Chemical Physics, June 2015, ePublication
- The American Journal of Clinical Nutrition, September 2004, pages 539-549
- Skin Research and Technology, February 2003, pages 50-58
- Estimated level
- 2–10%
- Confidence
- Moderate — INCI order above the 1% line
- Roles
- Humectant, Texture agent, Solvent
4th on the list, which puts it at an estimated 2–10% of the formula.
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Hydration
5 scientific references
- CosmeticsInfoorg, Accessed March 2021, ePublication
- US Food and Drug Administration Code of Federal Regulations</em>, Accessed March 2021, ePublication
- International Journal of Toxicology, May 2011, pages 5S-16S
- Skin Research and Technology, November 2007, pages 417-24
- Journal of the American College of Toxicology, September 1985, pages 223-248
- Estimated level
- under 1%
- Confidence
- Moderate — listed below the 1% line
- Roles
- Solvent
5th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
- Estimated level
- under 1%
- Confidence
- Moderate — listed below the 1% line
- Roles
- Soothing, Surfactant, Plant extract
6th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Centella Asiatica Extract is the extract of the whole plant Hydrocotyl, Centella asiatica L., Apiaceae
Soothing
Anti-Aging
6 scientific references
- Phytomedicine, April 2018, pages 110–119
- Clinical, Cosmetic, and Investigational Dermatology, August 2017, pages 311–315
- Indian Journal of Pharmaceutical Sciences, Jan-Feb 2016, pages 27–33
- Postepy Dermatologii I, February 2013, pages 46–49
- Indian Journal of Pharmaceutical Sciences, 2010, pages 546–556
- Scientific Reports, June 2021, ePublication
- Estimated level
- under 1%
- Confidence
- Moderate — listed below the 1% line
- Roles
- Plant extract
7th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Centella Asiatica Leaf Extract is an extract of the leaves of the Hydrocotyl, Centella asiatica L., Apiaceae
- Estimated level
- under 1%
- Confidence
- Moderate — listed below the 1% line
- Roles
- Humectant, Emollient, Occlusive
8th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Collagens, hydrolyzates. Substance obtained by acidic, alkaline, or enzymatic hydrolysis of hoofs and horns composed primarily of amino acids, peptides, and proteins. It may contain impurities consisting chiefly of carbohydrates and lipids along with smaller quantities of miscellaneous organic substances of biological origin.
Hydration
- Estimated level
- under 1%
- Confidence
- Moderate — listed below the 1% line
- Roles
- Humectant, Occlusive
9th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Naturally occurring substances, soluble collagen
- Estimated level
- under 1%
- Confidence
- Moderate — listed below the 1% line
10th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Atelocollagen is the protein obtained when the telopeptides are enzymatically removed from collagen
11
Asiatic Acid
- Estimated level
- under 1%
- Confidence
- Moderate — listed below the 1% line
11th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
(2.alpha.,3.beta.,4.alpha.)-2,3,23-Trihydroxyurs-12-en-28-oic acid
Anti-Aging
- Estimated level
- under 1%
- Confidence
- Moderate — listed below the 1% line
- Roles
- Antioxidant
12th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Urs-12-en-28-oic acid, 2,3,23-trihydroxy-, O-6-deoxy-alpha-L-mannopyranosyl-(1->4)-O-beta-D-glucopyranosyl-(1->6)-beta-D-glucopyranosyl ester (2alpha, 3beta, 4alpha)-
Anti-Aging
Soothing
- Estimated level
- under 1%
- Confidence
- Moderate — listed below the 1% line
- Roles
- Humectant, Active, Peptide
13th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Acetyl hexapeptide-8 is the synthetic peptide consisting of arginine, methionine, and acetylated glutamic acid residues
Anti-Aging
Hydration
6 scientific references
- Cosmetics, November 2020, Issue 7, Volume 4, page 91
- La Clinica Terapeutica, November 2020, pages e539-e548
- https://wwwcir-safetyorg/sites/default/files/AcetylHexapeptide-8pdf
- Cutaneous and Ocular Toxicology, March 2015, pages 46-52
- European Journal of Pharmaceutical Sciences, February 2015, pages 27-35
- Dermatologic Therapy, September-October 2007, issue 5, pages 343-349
- Estimated level
- under 1%
- Confidence
- Moderate — listed below the 1% line
14th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Urs-12-en-28-oic acid, 2,3,6,23-tetrahydroxy-, (2alpha,3beta,4alpha,6beta)-
Anti-Aging
Soothing
- Estimated level
- under 1%
- Confidence
- Moderate — listed below the 1% line
- Roles
- Antioxidant
15th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
O-6-Deoxy-α-L-mannopyranosyl-(1→4)-O-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl (2α,3β,4α,6β)-2,3,6,23-tetrahydroxyurs-12-en-28-oate
Anti-Aging
Soothing
- Estimated level
- under 1%
- Confidence
- Moderate — listed below the 1% line
- Roles
- Solvent
16th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Hydration
3 scientific references
- Skin Research and Technology, May 2015, pages 131-136
- Skin Pharmacology and Applied Skin Physiology, November-December 1999, pages 344-351
- Journal of Cosmetic Science, September-October 1993, pages 249-262
Not yet matched to our database
These are printed on the label but have not been linked to an ingredient record yet, so they are excluded from the analysis above.
Alpha-Bisabolol
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Frequently asked questions
What ingredients are in Pure Vitamin C24 Serum?
PROPANEDIOL, ASCORBIC ACID, BETAINE, BUTYLENE GLYCOL, 1,2-HEXANEDIOL, CENTELLA ASIATICA EXTRACT, CENTELLA ASIATICA LEAF EXTRACT, HYDROLYZED COLLAGEN, SOLUBLE COLLAGEN, ATELOCOLLAGEN, ASIATIC ACID, ASIATICOSIDE, ACETYL HEXAPEPTIDE-8, MADECASSIC ACID, MADECASSOSIDE, WATER.
What are the active ingredients in Pure Vitamin C24 Serum?
ASCORBIC ACID, ACETYL HEXAPEPTIDE-8.
How do I use Pure Vitamin C24 Serum?
After opening the Dropper cap, attach the dropper head before use. During the essence step, take an appropriate amount and gently apply along the skin texture. Lightly pat into the skin using your palms to aid in absorption. Store at a low temperature and away from direct sunlight.
What skin types is Pure Vitamin C24 Serum good for?
Judged on how rich the formula reads from its ingredient list, it suits Balanced, Combination (oily), Oily skin best. It is the least natural fit for Dry, Combination (dry) skin.
Is Pure Vitamin C24 Serum good for sensitive skin?
No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.
Can I use Pure Vitamin C24 Serum while pregnant?
Nothing in this formula is on the standard pregnancy-caution list. That is not medical clearance — check anything you use daily with your doctor or midwife.
What can I layer with Pure Vitamin C24 Serum?
It layers well with Vitamin C (L-ascorbic acid), PHAs (gluconolactone), Azelaic acid, Copper peptides, Bakuchiol, Niacinamide. Take more care combining it with Benzoyl peroxide, Retinoids (retinol, retinal), AHAs (glycolic, lactic), BHA (salicylic acid) — use them in separate routines or on alternate days.
When should I apply Pure Vitamin C24 Serum?
Use it morning and evening, after toner, before moisturiser.
How many ingredients does Pure Vitamin C24 Serum have?
It lists 16 ingredients, of which 2 are recorded as actives.
Who makes Pure Vitamin C24 Serum?
TIRTIR.
Brand
TIRTIR