Energize and thicken your hair with HASK Biotin Boost Shampoo. Infused with biotin, collagen, and coffee extract, this sulfate-free formula gently cleanses while helping to strengthen hair, boost volume, and reduce breakage. Ideal for fine, thin, or lifeless hair—leaves your strands feeling fuller, healthier, and...

Strengthen and volumize your hair with HASK Biotin Boost 5-in-1 Leave-In Spray. Infused with biotin, collagen, and coffee extract, this lightweight multitasking spray delivers five key benefits: detangles, conditions, adds volume, boosts shine, and protects from heat. Perfect for fine or thinning hair, it leaves...

Add strength and volume to fine or thinning hair with HASK Biotin Boost Conditioner. Infused with biotin, collagen, and coffee extract, this lightweight, sulfate-free formula helps thicken strands, reduce breakage, and boost body without weighing hair down. Leaves hair soft, full, and noticeably healthier—ideal for...