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Rainbow Research

Henna, Hair Color & Conditioner, Medium Brown (Chestnut), 4 oz (113 g)

4.4 · 5840 reviews
731 ₽

Dye and Chemical Free 100% Natural Plant Powder 100% Natural Botanical Hair Color and Conditioner Free of All Chemicals, Preservatives and Dyes Made From 100% Plant Material Conditions, Adds Body and Shine to All Hair Types Can be Used to Cover Grey or White Hair Fades out Gradually, Last 4-6 Weeks on Average (Safe to Use More Frequently) Rainbow Henna has no additives, chemicals, or pesticides. Rainbow Henna coats each hair shaft with color. Blends naturally. Fades gradually. Lasts 4-6 weeks. Smooths and seals the hair's cuticle for greater shine and body. Our custom-tailored recipes can be used for special effects, covering grey, and improving texture.

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Dye and Chemical Free 100% Natural Plant Powder 100% Natural Botanical Hair Color and Conditioner Free of All Chemicals, Preservatives and Dyes Made From 100% Plant Material Conditions, Adds Body and Shine to All Hair Types Can be Used to Cover Grey or White Hair Fades out Gradually, Last 4-6 Weeks on Average (Safe to Use More Frequently) Rainbow Henna has no additives, chemicals, or pesticides. Rainbow Henna coats each hair shaft with color. Blends naturally. Fades gradually. Lasts 4-6 weeks. Smooths and seals the hair's cuticle for greater shine and body. Our custom-tailored recipes can be used for special effects, covering grey, and improving texture.

Customer reviews

5.0
verified purchase

I was looking for the safest non-chemical option to dye my hair, and this was first one on the list. Also, the cheapest price on iHerb than anywhere else. Absolutely loved the color, intense brown, looks very natural, no red tones as most henna based hair dyes whould do. Definitely highly recommend it!

8/1/2022
5.0
verified purchase
Rainbow Henna hair color

Bought this a few years back and only used it this year as I was worried about allergic reaction. Glad that I finally applied it on my graying hair and I'm really satisfied at the result. I will make a review again when I re-apply when the roots appear again.

4/5/2025
5.0
verified purchase

The way to use henna is a little time-consuming, but I do it because it not only dyes my hair, but also makes my dry hair better.

12/20/2025
5.0
verified purchase

Great product! The quality is good Ingredients pure Size is great Dosage depending Benefits 100% Taste 0 Scent no Package 📦 good

12/2/2025
4.0
verified purchase
Good

I really love this henna brand, I used it for the first time and you can notice the color for the very first time, will order it again

11/20/2025
5.0
verified purchase
I Absolutely love this brand!

Review for Medium Brown The Medium Brown shade showed up beautifully on my naturally black hair after two applications. The pigment is impressive for a non-chemical dye, and the color blended naturally while still being noticeable. The application was easy, and I had no irritation at all. My hair felt smoother and healthier afterward. I’m very satisfied with this shade. The application process was easy and not messy or difficult to manage. I didn’t experience any irritation, sensitivity, or dryness on my scalp or skin. In fact, my scalp felt soothed afterward, and my hair became noticeably smoother, softer, and healthier. I’m extremely happy with these products and feel like this brand will be my long-term choice for henna and natural hair coloring. I prefer to avoid chemical dyes, but I still enjoy trying different shades, so I truly appreciate the quality of these colors. I only wish the brand offered an even wider variety—especially more browns, reds, and maybe some unique tones like blue, since those are my favorite color ranges. Highly recommended for anyone looking for a gentle, natural coloring option with great results.

11/18/2025
5.0
verified purchase
Beautiful, natural color with soft, shiny results!

This henna is perfect — the color is rich and natural, and it leaves my hair soft, smooth, and full of shine. It conditions deeply while coloring, and I love that it’s 100% natural, without harsh chemicals. Easy to apply, pleasant herbal scent, and great coverage. The result looks healthy and vibrant every time!

10/13/2025
5.0
verified purchase
Great choice for me

Ive been using henna to dye my hair for the past few months since I quit regular dyes. This medium brown works best for me. I only applied it once, mixing the two, and was fairly satisfied with the result--especially since I applied a bit less that I should have

9/27/2025
5.0
verified purchase
A good choice for natural henna

I have been using henna to dye my hair for the past few months since I quit regular dyes. I ordered medium brown and light brown together. I only applied it once, mixing the two, and was fairly satisfied with the result--especially since I applied a bit less that I should have. I would say the quality is pretty good. I have some gray hairs and those turned out blondish, while the rest helped me get rid of a bit of reddish I had from the previous henna I used, since I'm going for my natural brown. Will order again since its better for my scalp and hair overall than regular dye. I also feel like my hair is healthier since switching to henna. The scent is not bad and it goes away after rinsing out. The thing I did not like was that I ordered 3 hennas but when my box came one of them was not sealed properly so the powder was all over the rest of the products I ordered. I do hope they will take better care with that in the future, since I would be very disappointed if it happened again.

9/24/2025
5.0
verified purchase
great henna❤️

composition is minimal high quality and easy to use natural scent herbal ingredients for hair coloring i'm arabic and familiar with henna this one was great for my hair didn't cauze scalp issues or sensitivity and the result is phenomenal henna benefits are great look them up before buying this product convent packaging size is good for the price **please note this is my personal opinion upon using this product this is not a medical opinion you should always consult your physician ❤️

5/15/2025