Hydroxyproline

Also known as: hydroxyproline

HYD

1/10

Concern level

Low concern

Hydroxyproline is a non-proteinogenic amino acid derived from collagen. It is known to support skin hydration and elasticity by promoting collagen synthesis.

Pore-clogging

Non-comedogenic

Pregnancy

Safe

EWG Score

1/10

Regulatory

No data

Benefits

Boosts Collagen ProductionMoisturizing

Chemical Properties

Molecular Weight

115.13 g/mol

pH Range

4.00 - 7.00

Typical Concentration

0.50% - 5.00%

CAS Number: 51-35-4

Skin Type Compatibility

dry skin8/10

oily skin6/10

sensitive skin5/10

acne prone7/10

mature skin9/10

normal skin8/10

Risks & Warnings

Generally considered safe with low risk of irritation. However, individuals with specific allergies may experience reactions.

Vegan Cruelty-Free

Found In Products

Shani Darden Skin Care

Triple Acid Signature Peel

CLINIQUE

All About Eyes™ Serum De-Puffing Eye Massage for Dark Circles

Drunk Elephant

B-Hydra™ Intensive Hydration Serum with Hyaluronic Acid

Evereden

Kids & Teen Multi-Vitamin Face Cream with Vitamin E, B3, B5 (Niacinamide) & Squalane

Shiseido