Curl Pattern Preserving Lightening System with ammonia-free formula that provides up to 5 levels of lift in 15 minutes. This is a box of six 1 oz. packettes.What it does: Creamy texture that applies easily, looks + feels caring on curls.; Formula is infused with beeswax and ceramides.; Ideal for curly and coily hair; Can lift up to 5 levels; What else you need to know: Curl Lights cannot be used on the scalp. Curl Lights can only be used off the scalp Using any additives such as Light Master additives is not recommended; Curl Lights can be used with Matrix Cream Developer 20, 30, or 40 volume depending on the desired level of lift and integrity of the hair.