The Cornish Seaweed Bath Co.

The 3 Step Super Nutrient Purple Haircare Set

Made in Cornwall

£84.95

3 Step Super Nutrient Purple Haircare Set A ritual to tone, cleanse, condition & protect.Brightens blonde, silver & grey hair with seaweed & botanicals. Silicone‑free, sulphate‑free, powered by wild Cornish seaweed and plant extract 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.Finish with our award winning Nutri-Therm Hair Serum.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. Ideal for:Those looking to naturally maintain brightness and tone while nourishing their hair and scalp — for soft, luminous 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!)

Where to buy

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