Rainbow Research Sale Tracker, November 2026

Prices checked Nov 7, 2026, 12:18 PM ET

Is Rainbow Research on sale?

Not right now: Rainbow Research prices are at their usual levels.

Rainbow Research prices today, and how low they've been

Rainbow Research Henna Hair Color & Conditioner, Black$6.17 at Amazon Visit Amazon
Rainbow Research Henna Hair Color Conditioner 113 g - Red$8.56 at Herbspro Visit Herbspro
Rainbow Research Henna Hair Color Conditioner 4 oz - Burgundy (Dark Auburn)

Not right now. Rainbow Research prices are at their usual levels: the Rainbow Research Henna Hair Color & Conditioner, Black is $6.17 at Amazon. Any Rainbow Research deal shows here as soon as it starts.

Rainbow Research is a small US maker known for plant-based hair and skin products, especially its henna hair color and conditioners sold in powder form. Its standout item is the Henna Hair Color & Conditioner line, including the Black shade, a single-step dye and conditioner. Deal.ai checks the price of each Rainbow Research product at every store that carries it and keeps a price history for each.

Ask our shopping agent

It checks today's price at every store, compares the alternatives and answers in about a minute.

Popular Rainbow Research comparisons

Rainbow Research Henna Hair Color, Black vs Khadi Natural Henna Indigo Hair Color

Questions and answers

Where is Rainbow Research henna cheapest?: It varies by shade and store, so check the price comparison on the product page, which lists each store's current price side by side. The price history shows whether the current price is high or low for that shade.
Does Rainbow Research henna come in other shades?: Yes. The Henna Hair Color & Conditioner line includes several shades beyond Black, such as red, auburn and neutral, plus a colorless version. Availability of each shade differs by store.
Is Rainbow Research henna permanent?: It is a plant-based dye, so results are lasting but can fade gradually with washing. Henna coats and stains the hair rather than lifting it, so it will not lighten dark hair.
What is the return policy on Rainbow Research products?: Returns depend on the store you buy from, not on Rainbow Research. Check the retailer's policy before ordering, especially for opened powders.
Are there Rainbow Research discount codes?: Deal.ai doesn't list Rainbow Research discount codes. It checks what Rainbow Research products actually cost at every store, so a real markdown shows on this page as a deal as soon as it starts, and each product's page has its price history to tell a sale from its usual price.

Questions and answers

Where is Rainbow Research henna cheapest?

It varies by shade and store, so check the price comparison on the product page, which lists each store's current price side by side. The price history shows whether the current price is high or low for that shade.

Does Rainbow Research henna come in other shades?

Yes. The Henna Hair Color & Conditioner line includes several shades beyond Black, such as red, auburn and neutral, plus a colorless version. Availability of each shade differs by store.

Is Rainbow Research henna permanent?

It is a plant-based dye, so results are lasting but can fade gradually with washing. Henna coats and stains the hair rather than lifting it, so it will not lighten dark hair.

What is the return policy on Rainbow Research products?

Returns depend on the store you buy from, not on Rainbow Research. Check the retailer's policy before ordering, especially for opened powders.

Are there Rainbow Research discount codes?

Deal.ai doesn't list Rainbow Research discount codes. It checks what Rainbow Research products actually cost at every store, so a real markdown shows on this page as a deal as soon as it starts, and each product's page has its price history to tell a sale from its usual price.