4-PCA

Ingredient type:HUMECTANT/WATER-SOLUBLE

✨ Role: 4-PCA, or Pyrrolidone Carboxylic Acid, is primarily used for its moisturizing properties. It mimics the skin's natural moisturizing factor, helping to maintain its suppleness and elasticity.

Ingredient type: Water-soluble

Safety: Yes, this ingredient is generally considered safe for topical use on the skin.

✨ Vegan: Yes, this ingredient is synthetic and suitable for vegan formulations.

✨ Worth knowing: 4-PCA is well tolerated by most skin types and is unlikely to cause irritation. However, as always, it's best to test new products containing this ingredient on a small area before more extensive use.

Found in: This ingredient is frequently found in moisturizers, serums and hydrating face toners.

Comedogenic rating: 

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