Advanced Clinicals

Hair Mask

Advanced Clinicals Keratin Sleek + Smooth Hair Mask 340 g (12 oz)

340 g (12 oz)

Advanced Clinicals

Hair Mask

Advanced Clinicals Keratin Sleek + Smooth Hair Mask 340 g (12 oz)

340 g (12 oz)

Ships from the US · arrives in 1–2 weeks. Delivery info

A rinse-out hair mask with hydrolysed keratin, shea butter and coconut oil that aims for a smoother, straighter look. 340 g.

Product details

Conditioning for weak or colour-treated hair

This rinse-out mask is built around hydrolysed keratin, with shea butter, coconut oil and amino acids in the formula. The brand positions it as an intense conditioning boost that softens strands and gives a smoother, straighter look.

Strength, shine and frizz in one mask

The label groups its benefits as frizz control from shea butter, strength from keratin and shine from coconut oil. It is aimed at brittle-feeling hair that needs a silkier, more manageable finish.

Good to know

The 340 g (12 oz) size is labelled not tested on animals, according to the brand.

How to use

Apply generously to clean, damp hair and massage through from roots to ends. Leave on for 5-10 minutes, then rinse thoroughly and style as usual.

Before you choose

This is a rinse-out conditioning mask, not a leave-in product. For external use only. Keep out of reach of children. If irritation develops, stop using it. If it gets into the eyes, flush thoroughly with water. US-market product: packaging and label wording may differ from UK versions.

Full ingredients

Aqua/water/eau, cetyl alcohol, glycerin, behentrimonium chloride, isopropyl myristate, coconut oil, panthenol, hydrolysed rice protein, hydrolysed keratin, shea butter, hydroxyethyl cellulose, phenoxyethanol, tocopheryl acetate, silicone quaternium-3, isopropyl alcohol, caprylyl glycol, trideceth-12, ethylhexylglycerin, hexylene glycol, tetrasodium glutamate diacetate, citric acid, polysorbate 60, disodium phosphate, sodium phosphate, fragrance, butylene glycol, benzyl alcohol, potassium sorbate, sodium benzoate, hexyl cinnamal, linalool, hydroxycitronellal, citronellol, blue 1 (ci 42090), red 33 (ci 17200), red 4 (ci 14700).

Check your pack for the formulation supplied.

About the brand

Advanced Clinicals

US skincare brand known for large 454 g pump jars of body and face creams with ingredients such as retinol, collagen and vitamin C.

Shop all Advanced Clinicals

Delivery & returns

This item ships from the USA and takes longer to arrive. The standard UK-stock delivery estimates do not apply.

Standard UK delivery: free on all orders. Estimated 2–3 working days after dispatch.

Express UK delivery: estimated 1–2 working days after dispatch. Free on orders over £75.

Please allow up to 2 working days for order processing; orders are often dispatched the next working day. Delivery times are estimates, not guarantees.

View full delivery information · View our returns policy


Regular price £20
Sale price £20 Regular price
Tax included. Shipping calculated at checkout.
In stock





Advanced Clinicals Keratin Sleek + Smooth Hair Mask 340 g (12 oz)
Advanced ClinicalsKeratin Sleek + Smooth Hair Mask 340 g (12 oz) Advanced Clinicals Keratin Sleek + Smooth Hair Mask 340 g (12 oz)

£20

Advanced Clinicals Keratin Sleek + Smooth Hair Mask 340 g (12 oz)

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