Strengthen and volumize your hair with HASK Biotin Boost Thickening Conditioner. Formulated with biotin, collagen, and coffee seed oil, this 12oz conditioner works to add fullness and restore strength to every strand. Biotin supports hair resilience while collagen enhances thickness and body. Coffee seed oil nourishes and revitalizes, leaving your hair visibly thicker and noticeably stronger. Ideal for those seeking to boost volume and combat thinning, this expert-grade conditioner delivers professional results with each use.