Alpha-H
Dawn To Dusk SPF50+ + Niacinamide
face sunscreen
Alpha-H
face sunscreen
Added Last edited
Fit by skin type
General, ingredient-based — not your personalized match.
See how this fits your skin
Take the skin test and I'll show you how suitable this product is for you.
Take the skin testThe Alpha-H Dawn To Dusk SPF50+ +Niacinamide (50ml) offers broad-spectrum sun protection in a lightweight, silky serum formula that absorbs quickly without greasiness. UVA and UVB filters shield against rays that cause premature aging, sunburn and skin damage. Enriched with niacinamide, it protects the skin’s barrier, reduces redness and helps even skin tone. Antioxidant-rich vitamin E and soothing aloe vera protect against environmental stressors, while promoting hydration and minimising moisture loss. Its sheer-luminous finish layers seamlessly under makeup or on its own, leaving skin dewy and radiant.
This product comes as two separate formulas. An ingredient used in both appears under both headings, and is counted once in the total.
Dawn To Dusk SPF50+ + Niacinamide is a lightweight sunscreen from Alpha-H, a brand based in Australia. It is rated SPF 50+. Its job is UV protection, with the rest of the formula working on hydration. The ingredient list runs to 25 ingredients, each broken down in full below.
By its ingredient list the formula reads as light: water and humectants lead, with emollients kept lower in the order. Silicones in the formula tend to give a smooth, blurred finish and help it grip under makeup. Hydration is handled by Glycerin, Ethylhexylglycerin and Sodium Hyaluronate, humectants that pull water into the upper layers of skin rather than sealing it there.
It is a chemical (organic-filter) sunscreen, using Homosalate, Octisalate, Tinosorb S, Avobenzone, Uvinul T 150 and Ensulizole. Between them those filters cover UVB, UVA II and UVA I, so the formula is broad-spectrum in the meaningful sense: it reaches past 340 nm, where the ageing wavelengths sit. The formula contains a photounstable filter alongside a stabiliser, which is the standard and effective way to keep it from degrading in sunlight.
Hydration: High. Ingredients that pull and hold water in the upper layers of skin, and here that comes from Glycerin, Ethylhexylglycerin, Sodium Hyaluronate and Dibutyl Adipate.
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.
The formula contributes little or nothing on barrier support, antioxidant protection, oil control and brightening and tone. 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.
It does contain fragrance, worth knowing if your skin reacts to any of them.
Use it in the morning. In a routine it goes final morning step, before makeup. Apply about two finger-lengths for the face and neck — under-application is the single most common reason sunscreen underperforms. Reapply every two hours of sun exposure, and after swimming or towelling off. Let it set for a couple of minutes before makeup so it does not pill.
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.
Drawn purely from the ingredient list
Scored on how rich or light the formula reads from its INCI order.
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.
Based on the curated benefits documented for this product's ingredients.
Boosts collagen and cell turnover to reduce fine lines and wrinkles
Attracts and locks in moisture to keep skin plump and dewy
Calms redness, irritation, and inflammation for sensitive skin
Tightens and refines the look of enlarged pores
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.
Chemical (organic) filter system · broad-spectrum through UVA I
Another solvent-filter: modest UVB coverage, mostly there to carry other filters.
A weak filter used mainly as a solvent — it dissolves the crystalline filters (avobenzone, oxybenzone) so they can be formulated at all.
One of the most photostable filters in use, and it stabilises avobenzone and octinoxate alongside it. Oil-soluble, cosmetically light, no white cast.
The workhorse UVA filter, and the fragile one: it loses a large share of its protection within an hour of sun unless the formula pairs it with a stabiliser such as octocrylene or Tinosorb S.
The most efficient UVB absorber available by weight, which is why high-SPF formulas reach SPF 50+ without feeling heavy. Contributes nothing to UVA.
Water-soluble, which makes it the filter of choice for gel and lotion textures that have to feel weightless.
The actives, UV filters and benefit-carrying ingredients in this formula, in the order they are listed.
2nd on the list. Regulation caps it at 7.34%, so it is present at roughly 3.67–7.34%.
Benzoic acid, 2-hydroxy-, 3,3,5-trimethylcyclohexyl ester
3rd on the list, which puts it at an estimated 5–20% of the formula.
Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane
4th on the list, which puts it at an estimated 2–10% of the formula.
Dibutyl adipate
5th on the list. Regulation caps it at 5%, so it is present at roughly 2–5%.
2-Ethylhexyl salicylate
6th on the list, which puts it at an estimated 2–10% of the formula.
2,2'-[6-(4-Methoxyphenyl)-1,3,5-triazine-2,4-diyl]bis[5-[(2-ethylhexyl)oxy]-phenol]
7th on the list, which puts it at an estimated 1–5% of the formula.
1-[4-(1,1-Dimethylethyl)phenyl]-3-(4-methoxyphenyl)propane-1,3-dione
8th on the list, which puts it at an estimated 1–5% of the formula.
Dimethicone
9th on the list, which puts it at an estimated 1–5% of the formula.
Benzoic acid, 2-hydroxy-, 2-butyloctyl ester
10th on the list, which puts it at an estimated 1–5% of the formula.
Benzoic acid, 4,4',4''-(1,3,5-triazine-2,4,6-triyltriimino)tris-,tris(2-ethylhexyl) ester; octyl triazone
12th on the list, which puts it at an estimated 1–3% of the formula.
Aloe Barbadensis Leaf Juice is the juice expressed from the leaves of the aloe, Aloe barbadensis, Liliaceae
13th on the list, which puts it at an estimated 1–3% of the formula.
2-Phenyl-1H-benzimidazole-5-sulphonic acid
14th on the list, which puts it at an estimated 1–3% of the formula.
L-Arginine
Each axis is scored from the ingredients present and how high up the list they sit.
Ingredients that pull and hold water in the upper layers of skin
Lipids and repair signals that support skin barrier integrity
Ingredients that mop up free radicals from UV and pollution
Ingredients that moderate sebum or absorb shine
Ingredients that act on uneven tone and post-inflammatory marks
Ingredients aimed at visible redness and reactivity
Retinoids, acids and enzymes that speed surface turnover
Peptides and growth factors that signal for collagen support
A photounstable filter is present, paired with a stabiliser
"Active" here means an ingredient carrying a recorded active type or a recognised UV filter.
Solvents, emollients, texture agents and preservatives — the formula that carries the actives.
Part of this label has not been matched to our ingredient database, so only what is present is listed — no absence is claimed.
Benzyl Alcohol
Dimethicone
Judged by the same curated rules our routine checker uses. It reads the ingredients, not the label.
Nothing in this formula belongs to a group our rules can put in conflict, so it layers freely. Order still matters — thinnest texture first.
This product is the "Protect" step.
Flags to check, not verdicts. None of this is medical advice — if you are pregnant, breastfeeding or treating a skin condition, ask a doctor.
Most ingredients do more than one job, so these counts add up to more than the 25 ingredients on the label.
Sets the thickness, spread and stability of the formula
Absorbs or scatters ultraviolet light
Forms a film that slows water loss
Dissolves and carries everything else
Changes how skin behaves rather than how it feels
Neutralises free radicals from UV and pollution
Draws water into the upper layers of skin
Softens and smooths by filling gaps between skin cells
Binds trace metals that would otherwise spoil the formula
Botanical material, usually for antioxidants or scent
Keeps the product free of microbial growth
Changes how the product smells or looks
Sets the acidity the formula needs to work
Every ingredient on the label, in order, with what it does and roughly how much of it is likely to be there.
1st on the list, which puts it at an estimated 30–80% of the formula.
Water
2nd on the list. Regulation caps it at 7.34%, so it is present at roughly 3.67–7.34%.
Benzoic acid, 2-hydroxy-, 3,3,5-trimethylcyclohexyl ester
3rd on the list, which puts it at an estimated 5–20% of the formula.
Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane
4th on the list, which puts it at an estimated 2–10% of the formula.
Dibutyl adipate
5th on the list. Regulation caps it at 5%, so it is present at roughly 2–5%.
2-Ethylhexyl salicylate
6th on the list, which puts it at an estimated 2–10% of the formula.
2,2'-[6-(4-Methoxyphenyl)-1,3,5-triazine-2,4-diyl]bis[5-[(2-ethylhexyl)oxy]-phenol]
7th on the list, which puts it at an estimated 1–5% of the formula.
1-[4-(1,1-Dimethylethyl)phenyl]-3-(4-methoxyphenyl)propane-1,3-dione
8th on the list, which puts it at an estimated 1–5% of the formula.
Dimethicone
9th on the list, which puts it at an estimated 1–5% of the formula.
Benzoic acid, 2-hydroxy-, 2-butyloctyl ester
10th on the list, which puts it at an estimated 1–5% of the formula.
Benzoic acid, 4,4',4''-(1,3,5-triazine-2,4,6-triyltriimino)tris-,tris(2-ethylhexyl) ester; octyl triazone
11th on the list, which puts it at an estimated 1–3% of the formula.
Vinylpyrrolidone Hexadecene Copolymer
12th on the list, which puts it at an estimated 1–3% of the formula.
Aloe Barbadensis Leaf Juice is the juice expressed from the leaves of the aloe, Aloe barbadensis, Liliaceae
13th on the list, which puts it at an estimated 1–3% of the formula.
2-Phenyl-1H-benzimidazole-5-sulphonic acid
14th on the list, which puts it at an estimated 1–3% of the formula.
L-Arginine
15th on the list, which puts it at an estimated 1–3% of the formula.
Niacinamide (vitamin B3) is a gentle skincare active that repairs the skin barrier, calms redness, controls oil and evens tone at 2–5%. Official IUPAC name: **3-Pyridinecarboxamide**
16th on the list, which puts it at an estimated 1–3% of the formula.
Benzyl alcohol
17th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
2-Phenoxyethanol
18th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
C10-30 alkyl propenoate, polymer with propenoic acid, butenoic acidand/or alkyl propenoates, product with propenyl sucrose ether or propenyl 2,2-dihydroxymethyl-1,3-propanediol
19th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
1,2-Propanediol, 3-(2-ethylhexyloxy)
20th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hyaluronic acid, sodium, salt
21st on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
3,4-Dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-2H-benzopyran-6-yl acetate
22nd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Disodium dihydrogen ethylenediaminetetraacetate
23rd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Terminalia Ferdinandiana Fruit Extract is an extract of the fruit of the Terminalia ferdinandiana, Combretaceae
24th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
2-Hydroxy-1,2,3-propanetricarboxylic acid
25th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Oxirane, 2-phenyl-, polymer with oxirane, mono(dihydrogen phosphate), octyl ether
These are printed on the label but have not been linked to an ingredient record yet, so they are excluded from the analysis above.
Products in the same category that share this formula's distinguishing ingredients.
Allies of Skin
Shares 8 key ingredients with Dawn To Dusk SPF50+ + Niacinamide: Aloe Barbadensis Leaf Juice, Homosalate, Butyloctyl Salicylate, Ethylhexyl Salicylate, Butyl Methoxydibenzoylmethane
La Roche-Posay
Shares 7 key ingredients with Dawn To Dusk SPF50+ + Niacinamide: Glycerin, Homosalate, Ethylhexyl Salicylate, Butyl Methoxydibenzoylmethane, Ethylhexyl Triazone
Abib
Shares 7 key ingredients with Dawn To Dusk SPF50+ + Niacinamide: Butyl Methoxydibenzoylmethane, Homosalate, Ethylhexyl Salicylate, Butyloctyl Salicylate, Dibutyl Adipate
La Roche-Posay
Shares 7 key ingredients with Dawn To Dusk SPF50+ + Niacinamide: Homosalate, Ethylhexyl Salicylate, Ethylhexyl Triazone, Bis-ethylhexyloxyphenol Methoxyphenyl Triazine, Butyl Methoxydibenzoylmethane
La Roche-Posay
Shares 7 key ingredients with Dawn To Dusk SPF50+ + Niacinamide: Bis-ethylhexyloxyphenol Methoxyphenyl Triazine, Ethylhexyl Triazone, Butyl Methoxydibenzoylmethane, Glycerin, Citric Acid
Round Lab
Shares 7 key ingredients with Dawn To Dusk SPF50+ + Niacinamide: Butyl Methoxydibenzoylmethane, Ethylhexyl Salicylate, Homosalate, Butyloctyl Salicylate, Niacinamide
AQUA, HOMOSALATE, GLYCERIN, DIBUTYL ADIPATE, ETHYLHEXYL SALICYLATE, BIS-ETHYLHEXYLOXYPHENOL METHOXYPHENYL TRIAZINE, BUTYL METHOXYDIBENZOYLMETHANE, DIMETHICONE, BUTYLOCTYL SALICYLATE, ETHYLHEXYL TRIAZONE, VP/HEXADECENE COPOLYMER, ALOE BARBADENSIS LEAF JUICE, PHENYLBENZIMIDAZOLE SULFONIC ACID, ARGININE, NIACINAMIDE, BENZYL ALCOHOL, PHENOXYETHANOL, ACRYLATES/C10-30 ALKYL ACRYLATE CROSSPOLYMER, ETHYLHEXYLGLYCERIN, SODIUM HYALURONATE, TOCOPHERYL ACETATE, DISODIUM EDTA, TERMINALIA FERDINANDIANA FRUIT EXTRACT, CITRIC ACID, OCTYL POLYSTYRENE OXIDE/PEG-10 COPOLYMER PHOSPHATE.
NIACINAMIDE, SODIUM HYALURONATE, CITRIC ACID.
Apply liberally and evenly to all unprotected areas of skin 20 minutes prior to exposure to the sun. Re-apply every 2 hours or more often when sweating and re-apply after swimming or towel drying.
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.
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.
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.
No — it contains Benzyl Alcohol.
No — it contains Dimethicone.
It layers well with Vitamin C (L-ascorbic acid), Retinoids (retinol, retinal), AHAs (glycolic, lactic), BHA (salicylic acid), PHAs (gluconolactone), Benzoyl peroxide.
Use it in the morning, final morning step, before makeup.
It lists 25 ingredients, of which 9 are recorded as actives.
Alpha-H, a brand based in Australia.
It filters UV with Homosalate (homosalate), Octisalate (ethylhexyl salicylate), Tinosorb S (bis-ethylhexyloxyphenol methoxyphenyl triazine), Avobenzone (butyl methoxydibenzoylmethane), Uvinul T 150 (ethylhexyl triazone), Ensulizole (phenylbenzimidazole sulfonic acid).
Yes. Its filters cover UVB, UVA II and UVA I, so protection reaches past 340 nm into the deep-UVA range associated with ageing and pigmentation.
Unlikely. It filters with organic (chemical) filters only, which dissolve into the formula rather than sitting on the surface, so they do not leave a white cast.
It contains none of the filters named in the Hawaii and Key West reef legislation (oxybenzone and octinoxate). "Reef safe" is not a regulated term, so treat that as a fact about the filter list rather than a certification.
Yes. Let it set for a couple of minutes before foundation so it does not pill, and reapply over makeup with a stick or powder rather than rubbing more in.
Every two hours of sun exposure, and immediately after swimming, sweating heavily or towelling off.
We can't find the internet
Attempting to reconnect
Something went wrong!
Attempting to reconnect