Promois International LT.

Azelaic acid is a versatile skincare ingredient primarily used to treat acne and rosacea. It works by killing acne-causing bacteria, reducing inflammation, and promoting skin cell turnover. It also helps fade dark spots and even out skin tone by inhibiting melanin production. 

4-Hydroxyacetophenone, also known as p-hydroxyacetophenone, is a phenolic ketone with a hydroxyl group attached to the aromatic ring at the para position. It is a versatile compound used as an antioxidant, preservative booster, and soothing agent in cosmetics and personal care products. It can also act as an intermediate in the synthesis of pharmaceuticals, dyes, and fragrances.