Hyaluronic Acid Plus Serum

Yeouth

Where to buy Possibly in stock

About this product

The Yeouth Hyaluronic Acid Plus Serum is a serums, essence, ampoule. Our analysis of its 6 ingredients (4 low-risk) rates it Excellent (92/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
6
Low-risk
4
Fragrance
Fragrance-free
Origin
United States

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe Minimal Ingredients

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 2/0
Good for dry skin
Butylene Glycol Sodium Hyaluronate
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Magnesium Ascorbyl Phosphate
Sensitive Skin 1/2
Good for sensitive skin
Magnesium Ascorbyl Phosphate
Caution for sensitive skin
Butylene Glycol Phenoxyethanol

Ingredients list

6 total
Lower hazard (1) Higher hazard (4)
All6 Skin Conditioning5 Solvent2 Fragrance2 Humectant2 Viscositydecreasing Agent1 Masking1 Viscosity Controlling1 Antioxidant1
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Magnesium Ascorbyl Phosphate
(Antioxidant)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
Myristoyl Tripeptide-31
(Skin Conditioning)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Butylene Glycol
Skin Conditioning, Humectant
Magnesium Ascorbyl Phosphate
Antioxidant
Sodium Hyaluronate
Skin Conditioning, Humectant
Myristoyl Tripeptide-31
Skin Conditioning

Benefits

Fungal-acne (Malassezia) safe
Good for dry skin
Good for oily/acne-prone skin

Concerns

Contains paraben
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Magnesium Ascorbyl Phosphate
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antioxidant
Myristoyl Tripeptide-31
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Morning works well: Antioxidants like vitamin C pair well with daytime use under sunscreen.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Vitamin C (ascorbic) 5–20%

L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.

Magnesium Ascorbyl Phosphate

INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.

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