Check the listing for details. Schwarzkopf BlondMe Premium Care Developer 2% 7 Volume, 33.8 oz. Color: N/A, Condition: New with box. Listed at 21.99 USD. Schwarzkopf BlondMe Premium Care Developer 2% 7 Volume, 33.8 oz Schwarzkopf BLONDME Premium Developer 2% 7 Vol. 1L (33.8 fl oz) is a professional hair developer that goes together with Schwarzkopf BLONDME hair color and lightening products. Moreover, it features a low-strength formula, providing controlled lifting power and color results for blonde hair, which has a more delicate hair structure. The 2% developer, also known as 7 volume, falls within the lowest strength range of the BLONDME range. Therefore, it is ideal for subtle toning, refreshing, or enhancing existing blonde shades without causing excessive lightening or damage to the hair. Despite its lifting power, this developer is also gentle on the hair. In fact, it contains ingredients that protect the hair during the coloring or lightening process, minimizing damage and maintaining hair health. Last, but not least, it suits a variety of blonding techniques, including all-over color, highlights, balayage, and ombre. Hence, it provides flexibility in achieving the desired result. How To use: This product was developed for professional use only and should not, therefore, be used at home. Apply/Mix Schwarzkopf BLONDME Premium Developer 2% 7 Vol. 1L (33.8 fl oz) with one of the dyes from the Schwarzkopf BLONDME collection, using the right ratio.