Pca
Ingredient Info
PCA (pyroglutamic acid) is a naturally occurring amino acid derivative that acts as a humectant, helping skin retain moisture. It's often used in skincare formulas to support hydration and skin barrier function.
Benefits
- Humectant that draws moisture into the skin
- Supports natural skin hydration
- Generally well-tolerated by most skin types
Science: PCA is a component of the skin's natural moisturizing factor (NMF) and has a long history of safe use in cosmetics. Research indicates manganese PCA may support hair follicle health and growth signaling pathways, though human skincare efficacy data remains limited.
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