Polyhydroxystearic Acid

All ingredients

CAS number: 27924-99-8
IFRA Standard status: Not recorded

Last updated · 29-05-2025Record completeness45%

The information here describes the ingredient in general. Its possible sources may vary and do not necessarily show the origin or form used in a particular YUMA product. For product-specific information, check the relevant product page.

Contents

Description
Reported natural sources
Additional information
CAS number
Linked YUMA products
IFRA Standard status

Description

Polyhydroxystearic Acid is a dispersing agent used in mineral sunscreen formulas with titanium dioxide or zinc oxide, as well as in makeup products. It helps distribute pigments evenly across the skin for an even finish. In addition, it helps enhance ultraviolet absorption in sunscreen formulas and reduces the unwanted white cast often left by mineral sunscreens. Its use contributes to formulations with a pleasant texture and improved performance, making it a valuable ingredient for sun protection and cosmetics.

Reported natural sources

Castor oil

Additional information

Derived primarily from castor oil, a natural source, making it a sustainable option for cosmetic products.
Significantly improves the texture of sunscreens and makeup products for easier application and an even finish.
Known for its ability to reduce the white residue left by mineral sunscreen filters such as zinc oxide.

CAS number

27924-99-858128-22-6

Linked YUMA products

No YUMA products are linked to this ingredient

IFRA Standard status

The IFRA Standards form an industry self-regulatory system. They may prohibit or restrict the use of particular fragrance ingredients, or set specifications, according to end use. The status below reflects the IFRA data recorded for this ingredient. It is not a product certification and does not replace applicable law or assessment of the finished product.

Not recorded