Hydroxystearic Acid

Also known as: hydroxystearic-acid

HYD

3/10

Concern level

Low concern

Hydroxystearic Acid is a fatty acid used as an emulsifier and thickening agent in cosmetic formulations. It helps stabilize emulsions and improve texture.

Pore-clogging

Non-comedogenic

Pregnancy

Safe

EWG Score

1/10

Regulatory

No data

Benefits

Supports Barrier Function

Chemical Properties

Molecular Weight

284.46 g/mol

pH Range

4.00 - 7.00

Typical Concentration

0.50% - 5.00%

CAS Number: 112-80-1

Origin

natural

Skin Type Compatibility

dry skin6/10

oily skin5/10

sensitive skin4/10

acne prone3/10

mature skin5/10

normal skin6/10

Risks & Warnings

Generally safe; may cause mild irritation in sensitive individuals.

Vegan Cruelty-Free

Found In Products

fresh

Sugar Lip Balm Hydrating Treatment

CYKLAR

Vanilla Verve In-Shower Body Oil Balm with Ceramides

KORA Organics

Active Algae Calming Cleansing Balm for Makeup and SPF Removal

Peter Thomas Roth

FIRMx® Collagen Face & Eye Hydra-Gel Patches

SKIN1004

SKIN1004 Probio Cica Intensive Ampoule, Centella Serum for Face with Ceramide, Facial Serum for Nourishing & Soothing, Centella Ampoule for Skin Barrier Support, Korean Skin Care, 1.69fl.oz / 50ml

Clarins

Cryo-Flash Instant Lift Effect & Glow Boosting Face Mask

Paula's Choice