Best by need

Clarifying shampoo bars compared: Ethique Clarifying, Bottle None be CLEAR, Kitsch Detox and Tea Tree & Mint, and Chagrin Valley Mud & Clay.

Fragrance-free shampoo bars from Ethique, HiBAR and Chagrin Valley, plus Kitsch's artificial-fragrance-free bar, with ingredient wording and prices.

Purple shampoo bars compared: Kitsch Purple Toning, Ethique Purple and Bottle None PURPLE-toning, with each brand's published usage frequency.

Which shampoo bars list rice ingredients: Kitsch Rice Water Protein, HiBAR Moisturize, Volumize and Curl, with what the ingredient lists actually name.

Six shampoo bars from six brands, picked on price, published bar weight and wash counts, with the trade-off for each. Hair-type pages linked.

Shampoo bars that brands label suitable for color-treated hair: Ethique, HiBAR, J.R. Liggett's and Kitsch compared on price, size and wording.

Shampoo bars described for curly hair: Ethique Curl-Defining, HiBAR Curl, Bottle None be BOLD, plus Chagrin Valley's lather guidance for curly hair.

Shampoo bars described for dry hair: Ethique Hydrating, J.R. Liggett's Moisturizing, HiBAR Moisturize, Chagrin Valley Cocoa Butter & Olive and Kitsch Castor Oil.

Shampoo bars brands say are made for fine hair or body: HiBAR Volumize, Kitsch Rosemary & Biotin, Bottle None be STRONG and Chagrin Valley Mud & Clay.

Shampoo bars described for oily hair or scalps: Chagrin Valley Rosemary Mint Charcoal, J.R. Liggett's Original, Bottle None be CLEAR, Ethique Clarifying, Kitsch.

Shampoo bars for travel: Chagrin Valley's 1.7 oz bar at $4.10, HiBAR and Kitsch Detox TSA-approved claims, Ethique and Bottle None cases and prices.