Polylactic Acid

Plant-Derived Synthetic
Chemical Exfoliant
Acid
Clean
Polymer of lactic acid
CAS #
9051-89-2
Form
Liquid
Functions
Abrasive
Supports cell turnover
Draws water to skin
Smooths skin texture
Traditional Use
Developed in the 1980s-1990s as a biodegradable polymer derived from corn or sugarcane fermentation. Used in modern skincare as a gentle exfoliant and in anti-aging products to stimulate collagen production.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types, gentle
Best For
Uneven Texture
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper
⚖️Regulatory1 listing
🛡️Safety-assessed2 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR