Mary&May

Citrus Unshiu Fruit + Tremella Fuciformis Serum

face serum

Added Last edited

Fit by skin type

General, ingredient-based — not your personalized match.

Dry
59%
Combination (dry)
59%
Balanced
89%
Combination (oily)
81%
Oily
81%

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9
Ingredients
4
Benefits
0
Actives
Find Dupes

Key Insights

Benefits

4
Anti-Aging
Dark Spot Fading
Evens Skin Tone
Hydration

Risks

1
Synthetic polymer

Full Ingredients

9 total
tremella fuciformis extract 9.7% citrus unshiu fruit extract 83.5% ARBUTIN GLYCERETH-26 1,2-HEXANEDIOL ARGININE CARBOMER ETHYLHEXYLGLYCERIN CAPRYLYL GLYCOL

About Citrus Unshiu Fruit + Tremella Fuciformis Serum

Overview

Citrus Unshiu Fruit + Tremella Fuciformis Serum is a lightweight serum from Mary&May, a brand based in Korea. The formula is built mainly around hydration. The ingredient list runs to 7 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 Ethylhexylglycerin, Glycereth-26 and Arginine, 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 Ethylhexylglycerin, Glycereth-26 and Arginine.

Brightening: Moderate. Ingredients that act on uneven tone and post-inflammatory marks, and here that comes from Arbutin.

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, antioxidant protection, oil control and soothing. 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. 2 ingredients on the label have 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

  • Contains ingredients usually flagged for review during pregnancy
  • 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

  • Hydration 3 ingredients

    Attracts and locks in moisture to keep skin plump and dewy

  • Anti-Aging 1 ingredient

    Boosts collagen and cell turnover to reduce fine lines and wrinkles

  • 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 Soothing

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.

Arbutin

1st on the list, which puts it at an estimated 10–40% of the formula.

4-Hydroxyphenyl-beta-D-glucopyranoside

Dark Spot Fading Evens Skin Tone
Glycereth-26

2nd on the list, which puts it at an estimated 5–20% of the formula.

Poly(oxy-1,2-ethanediyl)], .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris[.omega.-hydroxy-

Hydration
Arginine

4th on the list, which puts it at an estimated 2–10% of the formula.

L-Arginine

Hydration Anti-Aging
Ethylhexylglycerin

6th 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)

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 None

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 None

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

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)
  • Retinoids (retinol, retinal)
  • AHAs (glycolic, lactic)
  • BHA (salicylic acid)
  • PHAs (gluconolactone)
  • Benzoyl peroxide
  • Azelaic acid
  • Copper peptides
  • Bakuchiol
  • Niacinamide
  • Hyaluronic acid
  • Ceramides
  • Signal peptides
  • Panthenol
  • Sunscreen

Nothing in this formula belongs to a group our rules can put in conflict, so it layers freely. Order still matters — thinnest texture first.

Where it fits in a routine

Morning Evening
  1. Cleanse
  2. Toning
  3. Treat
  4. Moisturise
  5. 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
Contains Arbutin, usually reviewed with a doctor during pregnancy.
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.
Recorded ingredient risks
Synthetic polymer

Ingredients by function

Most ingredients do more than one job, so these counts add up to more than the 7 ingredients on the label.

2
Texture agent

Sets the thickness, spread and stability of the formula

1
Antioxidant

Neutralises free radicals from UV and pollution

1
Humectant

Draws water into the upper layers of skin

1
Emollient

Softens and smooths by filling gaps between skin cells

1
Solvent

Dissolves and carries everything else

Ingredient breakdown

Every ingredient on the label, in order, with what it does and roughly how much of it is likely to be there.

1 Arbutin Antioxidant
Estimated level
10–40%
Confidence
Moderate — INCI order above the 1% line
Roles
Antioxidant

1st on the list, which puts it at an estimated 10–40% of the formula.

4-Hydroxyphenyl-beta-D-glucopyranoside

Dark Spot Fading Evens Skin Tone
2 Glycereth-26 Humectant
Estimated level
5–20%
Confidence
Moderate — INCI order above the 1% line
Roles
Humectant, Texture agent

2nd on the list, which puts it at an estimated 5–20% of the formula.

Poly(oxy-1,2-ethanediyl)], .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris[.omega.-hydroxy-

Hydration
2 scientific references
  • Nanomedicine: Nanotechnology, Biology and Medicine, February 2020, ePublication
  • Cosmetic Ingredient Review, March 2019, pages 1-11
3 1,2-hexanediol Solvent
Estimated level
5–20%
Confidence
Moderate — INCI order above the 1% line
Roles
Solvent

3rd on the list, which puts it at an estimated 5–20% of the formula.

4 Arginine
Estimated level
2–10%
Confidence
Moderate — INCI order above the 1% line

4th on the list, which puts it at an estimated 2–10% of the formula.

L-Arginine

Hydration Anti-Aging
6 scientific references
  • Biobased Surfactants (Second Edition), 2019, pages 413-445
  • Scientific Reports, February 2016, pages 1-10
  • Cosmetic Ingredient Review, October 2012, pages 1-35
  • Journal of Advanced Research, July 2010, pages 169–177
  • International Journal of Cosmetic Science, April 2005, page 139
  • Wound Repair and Regeneration, November-December 2003, pages 419-423
5 Carbomer Texture agent
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Texture agent

5th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

2-Propenoic acid, polymer with 2,2-bis(hydroxymethyl)propane-1,3-diol 2-propenyl ether

Synthetic polymer
6 Ethylhexylglycerin
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line

6th 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)

Hydration
5 scientific references
  • PLoS One, October 2016, ePublication
  • Contact Dermatitis, May 2016, pages 281-288
  • International Journal of Toxicology, September 2013, pages 5S-21S
  • Personal Care, 2008, pages 1-4
  • Cosmetic Science Technology, 2006, pages 1-11
7 Caprylyl Glycol Emollient
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Emollient

7th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Octane-1,2-diol

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.

tremella fuciformis extract 9.7% citrus unshiu fruit extract 83.5%

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Frequently asked questions

What ingredients are in Citrus Unshiu Fruit + Tremella Fuciformis Serum?

ARBUTIN, GLYCERETH-26, 1,2-HEXANEDIOL, ARGININE, CARBOMER, ETHYLHEXYLGLYCERIN, CAPRYLYL GLYCOL.

How do I use Citrus Unshiu Fruit + Tremella Fuciformis Serum?

Apply it 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.

What skin types is Citrus Unshiu Fruit + Tremella Fuciformis 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 Citrus Unshiu Fruit + Tremella Fuciformis 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 Citrus Unshiu Fruit + Tremella Fuciformis Serum while pregnant?

It contains Arbutin, which are usually reviewed with a doctor during pregnancy. Ask your doctor or midwife before using it.

What can I layer with Citrus Unshiu Fruit + Tremella Fuciformis Serum?

It layers well with Vitamin C (L-ascorbic acid), Retinoids (retinol, retinal), AHAs (glycolic, lactic), BHA (salicylic acid), PHAs (gluconolactone), Benzoyl peroxide.

When should I apply Citrus Unshiu Fruit + Tremella Fuciformis Serum?

Use it morning and evening, after toner, before moisturiser.

How many ingredients does Citrus Unshiu Fruit + Tremella Fuciformis Serum have?

It lists 7 ingredients, of which 0 are recorded as actives.

Who makes Citrus Unshiu Fruit + Tremella Fuciformis Serum?

Mary&May, a brand based in Korea.

Brand
Mary&May
Country
Korea
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