Polylactic Acid is a valuable polymer used in cosmetics for its mild exfoliating properties and film forming abilities. It is designed to slough off dead skin cells without micro-damage and provide gentle exfoliation - ideal for sensitive skin. This biodegradable ingredient can form a breathable film on the skin and lock in moisture to create a smooth texture. It is also known to enhance the aesthetics by giving a matte finish to cosmetics. In its raw form, Polylactic Acid appears as a very fine white to off white smooth powder. It is eco-friendly in nature and is also well tolerated by all skin types. The chemical formula of Polylactic Acid is (C3H4O2)n.
CAS Number: 26100-51-6Chem/IUPAC Name: Polymer of lactic acidEINECS/ELINCS No: 825-250-5COSING REF No: 58660What is POLYLACTIC ACID used for?
Polylactic Acid serves multiple purposes in cosmetics. Its biodegradable microspheres are popular in exfoliating products, offering gentle, environmentally friendly exfoliation. Polylactic Acid also acts as a film-forming agent in creams and lotions, helping to lock in moisture and enhance skin smoothness. In anti-aging products, its exfoliating action promotes cell renewal, which can improve texture and tone. Polylactic Acid powder is often added to makeup formulations to provide a matte finish and a soft feel on the skin. Due to its biodegradable nature, this ingredient is widely preferred over traditional microplastics, aligning with eco-friendly and sustainable cosmetic practices.
Origin
Polylactic Acid (PLA) is made by fermenting sugars from renewable sources like corn, sugarcane, or beets to produce lactic acid. This lactic acid is then polymerized through a condensation or ring-opening process, creating long PLA chains. The polymer can be processed into various forms, such as microspheres or powders, for cosmetic use.
What does POLYLACTIC ACID do in a formulation?
FILM FORMING|
HUMECTANT|
MOISTURISING|
SKIN CONDITIONINGSafety Profile
Polylactic Acid is considered safe for cosmetic use due to its biocompatibility and low potential for irritation. Derived from lactic acid, which is naturally found in the body, Polylactic Acid generally poses minimal allergy risk. It is suitable for sensitive skin, though patch testing is advised for individuals with high sensitivity, as its mild exfoliating properties may cause slight irritation in rare cases.
POLYLACTIC ACID alternatives
POLYLACTIC ACID technical profile
| Property | Values |
| Boiling Point | 227.6°C |
| Melting Point | 150-160°C |
| Solubility | Insoluble in water |