Engineered for stubborn dark hair.
The first professional-grade at-home system designed specifically for low-porosity strands. Deep-Saturation technology meets a 98.6% irritation-free formula.
"I am allergic to PPD. BioHueZ is a game changer. It does great job, hair looks silky/shiny with nice texture after coloring with it. I have also noticed less and less hair fall after started using it.."
— VERIFIED AMAZON CUSTOMER
Two shades, precisely tuned.
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A formulation philosophy, written in three movements.
Dark Hair Expertise
Our proprietary Smart-Lift system provides controlled lightening while Silk Amino Acids repair the cuticle in real-time. Designed specifically for low-porosity fibers that typically resist standard dyes.
- — Deep-Saturation Tech
- — Dual-Alkaline System
- — SILK PROTEIN REPAIR
Scalp Sensitivity
PPD-free and formulated with 15+ calming botanicals. Backed by 3,000+ sensitivity tests, we offer a 98.6% irritation-free experience even for the most reactive skin profiles.
- — PPD-FREE
- — Protein-Loss Guard
- — CLINICALLY-TESTED
Salon Experience at Home
Precision at home. Our two-tube root design allows for exact mixing, paired with a weighted accessory kit and color-locking aftercare usually reserved for elite stylists.
- — TWO-TUBE DESIGN FOR ROOT TOUCHES
- — Premium Accessory Kit
- — Color-Lock Aftercare
From the lab notebook.
Deep dives into trichology, chemistry, and the future of hair health.
Allergic reaction to hair dye: a guide to PPD sensitivity.
How to recognise the symptoms of an allergic reaction to hair dye, why PPD is almost always the culprit, and what hair dye not containing PPD actually looks like at the molecular level.
Beyond PPD: The molecular secret to safe hair color.
Why most 'PPD-Free' labels are a marketing illusion — and how molecular geometry, not botanical extracts, is what actually bypasses the immune system.
See the difference.
Real BioHueZ customers across the gray-coverage spectrum.
Loved by dark-haired customers.
Covers grays
"The only product that covers my grays. I have purchased many other hair dye brands and they haven't been able to cover my grays but this did with first use. I have repurchased this."
— Isajourney3C Dark MochaWorks wonders and smells good too
"This works really well! I have an extremely sensitive scalp and haven't been able to dye my hair for years, so when I was researching and found this I decided to give it a try. I'm so glad I did. No irritation, coverage worked great, and this kit has EVERYTHING you could need and more. I'll definitely be buying more of this, but really grateful also that there's enough for 2 uses already."
— sdshorty863C Dark MochaGreat Product, Glad I Switched!
"I loved that it came with so many accessories to help with the process. It had gloves, brush, shampoo, conditioner, hair oil, lotion to put around your face to avoid getting dye on, head cap, and even plastic cover for your ears! It really smelled good. I am allergic to PPD and I had no reaction. Also it covered my gray hairs near my temples! I'm glad I switched!"
— Contessa Castaneda1B Obsidian Noir
Audited, certified, accountable.
- ISO 14001Environmental Management
- ISO 9001Quality Management
- ISO 22716Cosmetics GMP
- GMPCCosmetics Good Manufacturing
- ISO 45001Occupational Health & Safety
- GB/T 29490IP Management (CN)
- GB/T 23001Information Management (CN)