Function of Beauty

Function of Beauty Straight Hair Mask Base 192ml

£17.95

Where to buy

Prices sorted cheapest first — total includes delivery where shown.

Retailer Item Delivery Total
Boots.com £14.00 £3.95 £17.95 Let's Go

Latest Boots discounts

  • Save 20% on selected fragrance with code FRAG20.…Ends 7 Oct 2026

Exclusions may apply — confirm at checkout

Code copied

Paste it at checkout. Exclusions may apply.

About this product

Function of Beauty’s custom leave-in milk mask for straight hair is formulated with aloe vera to infuse hydration, deliver weightless shine, and soften strands. Indulge our most popular nude (p)each fragrance.Function of Beauty customizable hair care is suitable for sensitive skin and derm tested. We believe in clean and conscious care - that’s why our custom straight hair leave-in milk mist is 95% naturally-derived, sulfate-free, paraben-free, cruelty-free, and 100% vegan. Packaging contains recycled content - Our bottles are made with 50% recycled plastic & are 100% recyclable.For best results, use with Function of Beauty Straight Hair Collection. Treat your hair like it's one of a kind (because it is) with Function of Beauty custom shampoo, conditioner, mask, leave-in conditioner, and #HairGoal Booster Shots. Each sold separately. | Function Of Beauty Straight Hair Mask Base, 192ml

Back to all hair treatment