Hair cream hydrogen peroxide from Black Professional Line 1000 ml 30% 1 liter

The product you mentioned is hydrogen peroxide cream developer from Black Professional Line 30% – 1000 ml, and it is a very strong developer used with hair dyes or bleaching powder. Here are the detailed specifications: Product information: Type: hydrogen peroxide cream developer. Concentration: 30% (equivalent to 9 volume), very high concentration for lightening. Quantity: 1000 ml (1 liter), suitable for use in beauty salons or intensive use. Usage: Used with bleaching powder to lighten hair by multiple levels (usually 3-4 levels or more depending on natural hair color). Can be mixed with hair dyes to activate and strengthen the color and fixation. Important usage tips: Warning: 30% concentration is very strong and may cause hair damage or scalp irritation if not used carefully. Use gloves: essential during mixing and application. Allergy test: always perform a patch test on a small skin area before use. Do not leave on hair for a long time: follow dye or bleaching instructions to avoid hair damage. Keep away from heat and direct sunlight.