Unlock your hair’s true potential with cutting-edge, salon-quality color you can do at home. Penetrates the cuticle layer of the hair and lodges in the cortex, ensuring 100% flawless gray coverage. Gentle on hair, containing up to 38% less ammonia than the leading professional brands on the market.

Amazon.com : ion Cream Hair Color, Natural Medium Rich Chestnut Brown 4NN, Ammonia-Free, PPD Free, Vegan, 100% Naturally-Derived Polymers, Recyclable Packaging, Smoothening, 2 Ounce : Beauty & Personal Care

ion Color Brilliance Permanent Hair Color makes it easy to get long-lasting salon quality results at home. The luxurious Italian formulas are made to be especially gentle and protect against damage. These formulas are PPD-free and enriched with Hyaluronic Acid Argan Oil Pequi Oil and botanicals to nourish and strengthen hair from within.

Buy ion 4N Medium Brown Brilliant 12 Permanent Gloss Hair Color High Shine, Anti-Fade UV Protection, 100% Gray Coverage, PPD Free, 2.05 Oz at Walmart.com

Ionic wheat germ protein nourishing botanical extracts and low ammonia help ion Color Brilliance penetrate the cuticle layer of the hair and lodge in the cortex ensuring 100% flawless gray coverage. Superior quality and proprietary blends are formulated in Italy by ion's expert team of chemists to deliver unparalleled results.

Inspired by Nature Ammonia-Free Permanent Crème Hair Color contains grape seed oil and 100% natural pistachio, almond, & avocado oils. 100% naturally-derived polymer helps to smooth the surface of the hair after damage from chemical treatments while offering 100% gray coverage.