Scarano A, Sbarbati A, Amore R, et al. - The present study was conducted to evaluate the impact of low‐molecular‐weight hyaluronic acid fragments mixed with amino acid (HAAM) on the rejuvenation the face skin treated with intradermal microinjections. Researchers examined 20 women with mean age 45 range from 35 to 64, thereof 8 in menopause and 12 of childbearing age. According to the results, the clinical and histological evaluation exhibited that subcutaneous HAAM infiltration has a significant effect on the dermis and clinical aspects of the face.