Explore dermatologist-style patch tests, PPD-free and ammonia-free routines, and no-mix grey blending.

FAQ

Is PPD-free right for me? Start with a 24-hour patch test; if you’ve reacted to oxidative dyes before, PPD-free/no-mix systems can reduce irritation risk.

How often? Weekly touch-ups keep tone even while fade stays soft with no harsh demarcation lines.

News
Grey Hair Dye Checklist for Sensitive Scalps (PPD-Free)

Grey Hair Dye Checklist for Sensitive Scalps (P...

Use this quick checklist to choose PPD-free, ammonia-free, low-odour grey hair colour. Learn label tips, a 24-hour patch test, and when to pick grey blending vs full coverage for sensitive...

Grey Hair Dye Checklist for Sensitive Scalps (P...

Use this quick checklist to choose PPD-free, ammonia-free, low-odour grey hair colour. Learn label tips, a 24-hour patch test, and when to pick grey blending vs full coverage for sensitive...

How Inochroma’s No-Mix Formula Works

How Inochroma’s No-Mix Formula Works

Discover how Inochroma’s no-mix, PPD-free, ammonia-free pigments blend grey naturally—quick, low-odour root touch-ups for sensitive scalps with professional, believable results and optional booster for stubborn greys.

How Inochroma’s No-Mix Formula Works

Discover how Inochroma’s no-mix, PPD-free, ammonia-free pigments blend grey naturally—quick, low-odour root touch-ups for sensitive scalps with professional, believable results and optional booster for stubborn greys.

Gentle Hair Colour Options for Sensitive Scalps (PPD-Free)

Gentle Hair Colour Options for Sensitive Scalps...

A dermatologist-style guide to hair dye for sensitive scalps. Explore ammonia-free, PPD-free, no-mix options, patch testing, and natural grey blending.

Gentle Hair Colour Options for Sensitive Scalps...

A dermatologist-style guide to hair dye for sensitive scalps. Explore ammonia-free, PPD-free, no-mix options, patch testing, and natural grey blending.

How to cover grey hair naturally – ammonia-free, PPD-free, no-mix

How to Cover Gray Hair Naturally

A gentle guide to covering gray hair naturally. Compare ammonia-free, PPD-free, no-mix options; learn gray blending vs coverage, fast root touch-ups, shade picks, and patch-test tips for sensitive scalps.

How to Cover Gray Hair Naturally

A gentle guide to covering gray hair naturally. Compare ammonia-free, PPD-free, no-mix options; learn gray blending vs coverage, fast root touch-ups, shade picks, and patch-test tips for sensitive scalps.

Best PPD-free hair dyes in Canada – Inochroma

Best PPD-Free Hair Dyes in Canada | Gentle Gray...

Looking for PPD-free hair dye in Canada? See the best no-mix, ammonia-free options for sensitive scalps, how they differ from permanent color, and patch-test tips.

Best PPD-Free Hair Dyes in Canada | Gentle Gray...

Looking for PPD-free hair dye in Canada? See the best no-mix, ammonia-free options for sensitive scalps, how they differ from permanent color, and patch-test tips.

Hair Dye for Sensitive Scalp: PPD-Free, No-Mix Grey Coverage Guide

Hair Dye for Sensitive Scalp | PPD-Free, No-Mix...

Sensitive scalp? Learn how PPD-free, no-mix grey coverage works, how to choose a shade, and how to patch-test for safer, natural-looking results.

Hair Dye for Sensitive Scalp | PPD-Free, No-Mix...

Sensitive scalp? Learn how PPD-free, no-mix grey coverage works, how to choose a shade, and how to patch-test for safer, natural-looking results.