: What to Know Before You Switch Chemical-Free Hair Dye
This page compares ingredients and alternatives so you know what's truly chemical-free. For the pros and cons of henna specifically, see is henna good for hair. Covering greys naturally? Read our grey coverage guide. Ready to make the switch? Follow our step-by-step transition plan.
Understanding Hair Dye Ingredients
Most conventional dyes rely on ammonia, peroxide and synthetic molecules that damage hair structure. Truly chemical-free alternatives work differently. At GA Salons Chelsea and our other London locations, we offer genuinely plant-based colour with full ingredient transparency.
What 'Chemical-Free' Should Mean
Only plant-derived ingredients: henna, indigo, chamomile, walnut hull, amla. No ammonia, no peroxide, no PPD, no metallic salts. Read our henna guide for details on each botanical ingredient.
Red Flags on Labels
Watch for products marketed as 'natural' that contain PPD, aminophenols, resorcinol or sodium picramate. Even 'henna' products can contain these — especially black henna.
The 'Semi-Chemical' Middle Ground
Some brands use gentler chemicals (MEA, lower peroxide) or combine plant extracts with synthetic pigments. Less damaging but not truly chemical-free.
Why Salons Matter
Professional application delivers dramatically better results than home kits. We custom-blend formulas for your exact shade at Notting Hill, South Kensington and all our salons.
Types of Natural Hair Dye
100% Plant-Based (Henna & Herbs)
Only plants, water and expertise. Cannot lighten. Covers grey, adds shine, strengthens hair. Colour range from copper to near-black. This is our signature natural colouring service.
Plant + Natural Pigment
Combines a plant base with water-based mineral pigments for extended shade range and fuller grey coverage. Free from ammonia, peroxide and PPD.
Low-Chemical Alternatives
Brands like Oway use bio-dynamic ingredients with minimal synthetics for clients who need features like lightening. See our balayage service for gentle lightening options.
What Our Natural Colour Clients Say
“GA Salons was the first place that was completely transparent about what's in their products. Truly chemical-free.”— Rachel
Frequently Asked Questions
Chemical-Free Hair Dye
Try Genuinely Chemical-Free Colour
Book a consultation at any of our four London salons.