The 4 Step Super Nutrient Purple Haircare Set

Made in Cornwall

£99.95

4 Step Super Nutrient Purple Haircare Set A ritual to tone, cleanse, condition, nourish & protectBrightens blonde, silver & grey hair with seaweed & botanicalsSilicone‑free, sulphate‑free, powered by wild Cornish seaweed Discover our 4 Step Super Nutrient Purple Haircare Set — a naturally effective routine designed to brighten, hydrate, nourish, and protect light and colour‑treated hair using seaweed, herbs, and plant‑based pigments.How to use: To neutralise yellow or brassy tones, use our Purple Shampoo & Conditioner with every wash until your desired tone is reached. Then, use weekly or as needed to maintain brightness and balance, alternating with our regular Super Nutrient Shampoo & Conditioner.Purple Shampoo & Conditioner:A gentle toning duo formulated with organic seaweed, blue spirulina, alkanet root, and Cape jasmine fruit, along with other haircare botanicals. These plant‑based pigments help neutralise yellow and brassy tones while restoring softness, balance, and shine. Super Nutrient Shampoo & Conditioner:Your everyday essentials — a balancing, sulphate‑free pair enriched with seaweed and botanicals. Together they hydrate, strengthen, and support scalp health while maintaining natural softness and vitality between purple treatments. Nutri‑Therm Hair Serum:Our award‑winning leave‑in treatment offers heat protection, hydration, and long‑lasting shine. With seaweed, bamboo, and eclipta, it smooths, strengthens, and seals moisture into each strand. Apply 2–8 pumps through mid‑lengths to ends after washing, before drying or styling. Super Nutrient Hair & Scalp Oil: A deeply nourishing pre-wash treatment designed to rebalance & soothe the scalp, and soften strands. Infused with seaweed, Broccoli Seed, Oat, and Jojoba oils, it supports moisture retention, strengthens hair, and encourages healthy growth. Use before shampooing — leave in for 20 minutes or overnight — or apply a small amount to dry hair to smooth and soften. Ideal for:Those looking to naturally maintain brightness and tone while deeply nourishing their hair and scalp — for soft, radiant hair that feels as healthy as it looks. Set Contains:1 x Super Nutrient Purple Shampoo1 x Super Nutrient Purple Conditioner1 x Super Nutrient Shampoo1 x Super Nutrient Conditioner1 x Nutri‑Therm Hair Serum (Marie Claire Award‑Winning!)1 x Super Nutrient Hair & Scalp Oil

Why it's rated Gold

British brand, made in Britain. Brand claimed

Set up in 2013 by Hannah and Richard in Penzance. It says it still makes every product by hand in a small workshop on the Cornish coast, using seaweed hand-harvested there. Read their statement

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Where to buy

The Cornish Seaweed Bath Co.

Direct from the maker

In stock

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£99.95

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Price checked 16 October 2026. We may earn a small commission when you buy through this link. It never affects a medal rating.

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