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A cyclic diester of lactic acid, primarily used as a monomer for the production of polylactic acid (PLA). In cosmetics, it might be used as a precursor or a specific skin-conditioning agent.
Beneficial for
Safety summary
Generally considered safe.
CAS Number
95-96-5
1% line marker
This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.