Expert Biotin Restoring & Restructuring Hair Mask Serum

This revolutionary formula works to leave you with thicker, smoother, healthier hair, whilst deep-cleansing and restoring pH levels.. The Science. The Expert Biotin Restoring & Restructuring Hair Mask-in-Serum combines Biotin, Lemon Extract, and Glycolic Acid to help give your hair the transformation you desire.. • Biotin aims to thicken hair and stimulate growth, whilst Lemon Extract works to deeply cleanse the scalp and hair follicles, restore healthy pH levels, and remove build-up of oils and pollutants, resulting in healthier and stronger hair follicles.. • Glycolic Acid helps moisturise and exfoliate the scalp, resulting in a healthier look and texture.