Naturtint Permanent Hair Color 4M Mahogany Chestnut — Ammonia-Free, Vegan, Up to 100% Gray Coverage

Naturtint 4M Mahogany Chestnut is a permanent, ammonia-free hair dye that delivers rich mahogany-chestnut color with up to 100% gray coverage while using plant-based, vegan ingredients.

Designed for at-home use, this shade blends warm mahogany and chestnut tones to create a natural, multi-dimensional finish. The formula avoids ammonia, parabens, and heavy metals, and it’s USDA BioPreferred certified and ISO 16128 compliant. Packaged for one full application, the kit aims to nourish hair during coloring with botanical extracts and deliver long-lasting, salon-style results without animal testing.

How natural will the 4M Mahogany Chestnut color look on my hair?

4M Mahogany Chestnut combines warm red and brown pigments to produce a natural, multi-tonal effect rather than a flat single hue. Results vary with your starting color and hair porosity, so mid-to-dark natural bases will see the closest match. Highlights and natural sun-bleached sections can pick up brighter mahogany notes.

• Best on natural medium brown to dark hair for true mahogany depth
• Lightens slightly on pre-lightened or highlighted hair
• Gives warm red-brown shimmer in bright light

Will this dye cover gray hair completely?

Yes — the formula is formulated to provide up to 100% gray coverage on most users when applied according to instructions. It contains active dye molecules designed to penetrate and deposit color evenly on resistant gray strands. For stubborn gray, an extra processing time or professional advice may improve uniformity.

• Effective on scattered and up to fully gray hair
• Follow timing instructions for consistent coverage
• Use recommended aftercare to extend vibrancy

Is this product gentle and safe for sensitive scalps?

While Naturtint 4M avoids ammonia, parabens, and heavy metals and uses plant-derived ingredients, any permanent color can irritate sensitive scalps. A skin-sensitivity patch test 48 hours before application is advised. The gentler formula is intended to reduce odor and harshness compared with traditional ammonia-based dyes, but safety precautions remain important.

• No ammonia, which reduces strong chemical odor
• USDA BioPreferred and ISO 16128 compliant ingredients list
• Patch test recommended before full application

How long does the color last and how should I maintain it?

This permanent color is formulated for long-lasting results that fade gradually rather than abruptly. Retention depends on hair care routine, water hardness, and sun exposure. Use color-safe shampoos, cool water rinses, and periodic color-refresh products to prolong tone and shine.

• Expect lasting color with gradual, natural fading
• Color-safe, sulfate-free shampoos extend vibrancy
• Deep-conditioning treatments help maintain shine and manageability

Who is this for: Naturtint 4M Mahogany Chestnut is ideal for anyone seeking a warm, natural red-brown shade with strong gray coverage and a formula that prioritizes plant-based ingredients and ethical standards. It suits users who prefer at-home coloring without ammonia, shoppers looking for vegan and cruelty-free options, and people wanting a long-lasting permanent result with nourishing benefits. If you have very light blonde hair, extensive previous chemical processing, or a highly sensitive scalp, consider consulting a professional colorist or performing a strand test before full application.

• Features: enriched with plant-based ingredients for visibly healthier hair
• Free of ammonia, parabens, and heavy metals
• Certifications: USDA BioPreferred and ISO 16128 compliant
• Easy at-home application with clear instructions
• Vegan and forever cruelty-free

Ingredients

HAIR COLORANT - INGREDIENTS: PEG-2 OLEAMINE. WATER (AQUA). PEG-4 RAPESEEDAMIDE. ALCOHOL DENAT (ALCOHOL). PROPYLENE GLYCOL. ETHANOLAMINE. OLEIC ACID HYDROLYZED VEGETABLE PROTEIN. LIMNANTHES ALBA (MEADOWFOAM) SEED OIL.TETRASODIUM GLUTAMATE DIACETATE. SODIUM METABISULFITE. SODIUM ERYTHORBATE. p-PHENYLENEDIAMINE and +/-: 4-AMINO-2-HYDROXYTOLUENE. p-AMINOPHENOL. 2-METHYLRESORCINOL. m-AMINOPHENOL. N, N-BIS (2-HYDROXYETHYL)-p-PHENYLENEDIAMINE SULFATE. 2-AMINO-4-HYDROXYETHYLAMINOANISOLE SULFATE. 4-CHLORORESORCINOL. 2,4-DIAMINOPHENOXYETHANOL HCL. 1-HYDROXYETHYL 4,5-DIAMINO PYRAZOLE SULFATE.

COLOR DEVELOPER – INGREDIENTS: WATER (AQUA). HYDROGEN PEROXIDE. CETYL ALCOHOL. CETEARYL ALCOHOL. LAURETH-3. CETEARETH-20. OXYQUINOLINE SULFATE. PHOSPHORIC ACID.