Isntree Hyper Acid4 30 a 20ml concentrated exfoliating serum, formulated to improve the appearance of the skin with a delicate but effective action. Enriched with a combination of four exfoliating acids (AHA, BHA, PHA and LHA), it helps remove dead cells, promoting cell renewal and giving a brighter and more even complexion. Its light texture absorbs quickly without leaving residue, making it ideal for a daily skincare routine. Recommended for skin with imperfections, irregular texture or signs of aging, this serum helps to visibly improve skin softness and firmness. Isntree Hyper Acid4 30 is the perfect solution for fresh and regenerated skin in a delicate but effective way.