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Organic Colour Systems (OCS) stands as a pioneer in the world of professional hair colour, challenging industry norms while treading gently on the planet. As one of the first premium ammonia-free colour brands, OCS was founded by a visionary hairdresser and a herbologist with a shared mission: to create a cleaner, low-tox alternative to conventional hair dye.

Committed to the highest ethical and environmental standards, OCS is a proud certified B Corporation, Vegan Society approved, cruelty-free and Made in Britain. Every formula is crafted in the UK using organic and naturally derived ingredients that work in harmony with the hair’s natural structure—delivering beautiful, lasting results while protecting the environment.

OCS colours are free from ammonia, resorcinol, naphthol, and silicones, containing only the lowest possible levels of pigment to minimise irritation while maintaining exceptional vibrancy. Whether it’s cool, crisp blondes, rich coppers, breath-taking reds, or seamless naturals, the extensive range of permanent, semi-permanent, and lightening products allows stylists to create truly bespoke formulations for their clients.

Beyond colour, OCS Think Curl offers an innovative, plant-powered approach to perming. Enriched with plant amino acids and free from ammonium thioglycolate, ammonia, SLS, and SLES, it utilises cysteamine hydrochloride—a gentler alternative that mimics the natural cysteine amino acid to reform and strengthen hair bonds, ensuring healthier, long-lasting curls.

The OCS Care range is designed to nourish hair and scalp, promote growth, and enhance manageability, formulated without silicones, PEGs, SLS/SLES, synthetic fragrances, or other harsh additives. For styling and finishing, OCS offers a range of water-soluble products that can be used individually or blended for custom results, ensuring effortless styling without build-up.

More than just a colour brand, Organic Colour Systems is a movement—leading the way towards a healthier, more ethical future in professional hairdressing.