Juuksevärv

Juuksevärv is the Swedish term for hair dye, a cosmetic product used to alter the natural colour of the hair. The practice dates back to the late 19th century when early formulations were imported from Britain. By the mid‑20th century, local Swedish manufacturers began producing their own products, and today the market includes permanent, demi‑permanent and temporary dyes.

Permanent dyes contain peroxide and ammonia or ammonium salts, allowing a deep, long‑lasting colour change that bleaches the hair first. Demi‑permanent dyes use a lower peroxide concentration, providing a milder tone alteration that fades gradually over several washings. Temporary dyes are usually water‑soluble and wash out after one or two shampoos, making them popular for special occasions.

Application methods vary. In common use, a tattoo brush or sponge is used to apply the dye to dry hair, leaving it on for a period prescribed in the instructions. While hair dye is generally safe, allergic reactions can occur. The Swedish Consumer Agency recommends a patch test before full application. Cosmetic products are regulated by the Swedish Chemicals Agency (KemikalieInspektionen), ensuring that ingredients meet safety criteria and are labelled with Allergen Information.

Popular Swedish brands that produce juuksevärv include L’Oréal, Garländer, and Kinn & Decker, many of which offer environmentally friendly options such as sulfate‑free or vegetable‑based dyes. Trends in Sweden have moved toward natural, muted shades, balayage techniques, and low‑ammonia formulas. As with all cosmetic products, users are advised to follow instructions carefully and consult a professional stylist for complex transformations.