At-home hair color,made clear

Products, shades and practical guidance for covering gray hair at home.

Built around the questions people ask at homeFrom choosing a shade and estimating the amount to application and aftercare, we make each step easier to understand.

Liu ZhiFounder

Brand strategy and customer insight

Zheng HongsenChief R&D Engineer

Product research and formulation

Try hair colors online

Use your camera or upload a photo to preview every Rouya and Roucai shade.

LIVE PREVIEW · ON-DEVICE

Try a hair color in three steps

1Allow camera

2Use even light

3Choose a shade

Virtual hair color demonstration cycling through Black Tea, Chestnut Brown and Grape Red

No camera? Upload a photo

Color intensity85%

This shade simulation is for color selection only. Results vary with your starting color, gray percentage, hair condition and application.

2021

Our story

Founded in 2021, DR.RANBOSS focuses on at-home gray coverage, supported by product development, production, warehousing, logistics, brand operations and sales channels.

01Beijing

Brand operations

02Shanghai

R&D center

03Guangzhou

Production base

Our culture

Candor

Speak plainly, surface problems and collaborate as equals regardless of title.

Clarity

Think before expressing an idea and make it clear the first time.

Respect

Stay humble, help others and find joy in working together.

Integrity

Be truthful, do good work, contribute meaningfully and avoid empty busyness.

Milestones

2019May
Received angel investment from Sequoia Capital China, K2VC and Zhi Lin Capital, and established Wukong Department Store, an e-commerce platform for middle-aged and older consumers.
2020Oct
Established Wukong Home and entered community-based senior services.
2021Mar
Received Series A investment from Shengze Capital and Darenshuo. DR.RANBOSS was founded and the Changsha company was established.
2023Jun
The Guangzhou company was formed, creating an integrated chain spanning independent R&D, production, warehousing, logistics, brand operations and after-sales service.
2024Mar
The DR.RANBOSS Shanghai laboratory was established.

Hair color & care

Browse hair color and hair care by category.

01/ 03

Coloring and pre-color care

Roucai 3.0 Hair Color Cream

30 ml × 10 sachets / box · 6 shadesBlack truffle formula · Individual sachets

Formula & features

01Hydrolyzed collagen and silk protein
02PQ-53 color-care ingredient and French black truffle extract
0312 botanical extracts and 6 hair-conditioning oils

Visit the official Tmall store

“Even the small gray hairs at the back were covered evenly, and the result looked natural rather than flat black.”

“My gray hair was covered and the finished color looked very natural.”

“The hair felt moisturized after coloring instead of rough or dry.”

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DR.RANBOSS stores

View addresses and directions for our locations in Guangzhou, Foshan and Xi’an.

Guangzhou｜Times Rose Garden

DR.RANBOSS Gray Coverage Studio

No. 159 Xiangrong Street, Huangbian North Road, Baiyun District, Guangzhou, Guangdong (300 m from Exit C, Huangbian Metro Station)

Open in AmapOpening hours and temporary changes are subject to the current Amap listing.

OFFLINE SERVICE NETWORKThree cities,
three locations

GuangzhouTimes Rose Garden

FoshanXingye New Village

Xi'anRongqiao Xinyuan

Three steps to cover gray hair

Always follow the instructions supplied with the product.

01
Prepare
Complete the skin allergy test, check your hair length and choose the shade and amount before you begin.
02
Follow the directions
Mix, apply, time and rinse exactly as directed. Do not extend the processing time on your own.
03
Aftercare
Rinse thoroughly as directed, then choose aftercare based on your hair’s condition to help reduce dryness and tangling.

Coloring video guide

Use the video to understand the sequence. For the exact amount, processing time and precautions, follow the instructions supplied with the product.

01Watch the full sequence before starting
02Pause and compare each step as you work

Shade guide and try-on

Switch between Black Truffle and Rouya to view the shades available for each line.

Black Truffle Hair Color Cream

Natural Black

01 / 06

Shade images come directly from the 2026 brand product deck. Faces and hair colors have not been altered. Actual results vary with natural color, gray percentage, hair condition and application.

HAIR COLOR KNOWLEDGE

Hair color guides

View all 21 articles

Why should you repeat the skin allergy test before every coloring?

A product that caused no reaction last time can still cause one today. Sensitivity can change over time, so follow the product’s skin-test instructions before every use.

A complete checklist before coloring your hair at home

Preparing the product, tools, space and time in advance helps prevent interruptions halfway through application.

Read the full instructions before opening the product

Mixing methods, processing times and test procedures vary between products, so do not rely only on previous experience.

FAQs

Quick answers about products, shades, use and official channels.

What should I check before coloring my hair for the first time?

Choose the shade first, then prepare enough product for your hair length and density. Complete the skin allergy test exactly as directed before every application.

How do Natural Black, Black Tea and Brown Black differ?

Natural Black looks the deepest, Black Tea is softer, and Brown Black carries a natural brown tone. Results vary with your starting color, gray percentage and hair condition.

Why is a skin allergy test required every time?

Sensitivity can change over time. Follow the instructions supplied with the product before every use, and do not apply hair color to a damaged or irritated scalp.

Where can I buy genuine DR.RANBOSS products?

Use the official Tmall flagship store or the verified official accounts and channels listed on this website.

Official channels

For product information, usage questions or business inquiries.

Official Tmall store Business inquiries

Hair color safety notice

Hair colorants can cause allergic reactions. Follow the instructions supplied with the product and complete the required skin test before every use. Do not apply to a damaged or irritated scalp.