PURPLE Shampoo Bar

Color wheel science. Purple sits opposite yellow, so purple pigment neutralizes the warm yellow tones that show up in blonde and gray hair over time. The beetroot powder in this bar provides natural coloring that counteracts unwanted brassiness without harsh chemicals. Think of it like color correction—the purple tones cancel out the yellow. Your hair doesn't turn purple (unless you leave it on way too long). It just looks cooler and brighter. The shea butter and cocoa butter hydrate while the toning happens, so you're not stripping moisture to get rid of brass. Natural ingredients doing real work on a chemical level.

Depends what you're working with. Blonde hair, gray hair, silver hair, highlighted hair—all respond well to purple toning. Brown hair with blonde highlights? The purple will tone those lighter sections without affecting your natural brown. Brunettes without highlights won't see much because there's no yellow undertone to neutralize. Color-treated hair is fine—this won't strip your dye or damage processed strands. The formula is gentle enough for various hair types as long as you have some lighter tones that can benefit from toning. Full coverage dark hair? Skip it. You won't get results.

Daily washing works for most people. This formula is designed for it, which sets it apart from harsher liquid shampoos that need alternating. The natural ingredients—coconut oil, shea butter, babassu oil—moisturize while toning, so you're not drying out your hair with every wash. Some people with very porous blonde or silver hair prefer every other day though. Too much purple can turn things ashy. Personal call based on how brassy you get. Fresh highlights or serious yellow tones? Go daily for the first week. After that, drop to a few times weekly. Pro tip: pair this with a conditioner bar to keep moisture locked in.

Concentration mostly, and you're avoiding plastic waste. Shampoo bars pack more active ingredients because there's no water filler—just the good stuff. Liquid shampoos are 80% water, which you're already using in the shower anyway. This bar lasts as long as three liquid bottles, so you're not constantly buying single-use plastic or running out mid-toning. The natural ingredients (beetroot for purple pigment, plant oils for moisture) work without sulfates that can fade color-treated hair faster. Plus it's easier to control—rub the bar directly on wet hair in the areas that need toning most. Takes up less space too.

Depends on how brassy your hair is, but 2-3 minutes is the sweet spot for most people. Wet your hair thoroughly first—warm water helps the bar lather better and distributes the purple pigment evenly. Rub the bar where you need toning, work up a good lather, then wait. First time trying purple shampoo on your blonde or gray hair? Start with just one minute. Better to under-tone than over-tone because you can always leave it longer next time. Over-toning turns hair purple or ashy, which may look weird. Easy fix though—just wash with regular shampoo if that happens. Rinse this completely when your time is up. Most people dial in their perfect timing after two or three washes. Use a conditioner bar after to keep hair moisturized.