Lactic Acid
LAL-AcidLactic Acid Solution
pH Adjuster, Humectant
Lactic acid is a naturally occurring acid found in milk and other foods. It's often used in skincare products to help balance the skin's pH and retain moisture.
Low Concern
Source: FDA GRAS list
Lactic acid is generally considered safe for use in cosmetics and personal care products, as it is naturally occurring and easily metabolized by the body.

Lactic acid skin benefits 👩🏻⚕️ #shorts
Dr Dray
r/SkincareAddiction
1782
Why we've been treating Keratosis Pilaris (KP) wrong and how we can improve treatment options [Research][B&A]
Effects of Host-Specific Multi-Lactic Acid Bacterial Probiotics on Performance, Carcass Traits, Meat Quality, and Gut Microbiome in Fattening Pigs.
Sahatsanon K, Chaweewan K, Sringarm K
2026
Read on PubMedLast updated: May 16, 2026