Black seed oil has several applications and benefits for problematic skin conditions. The oil is found in many health foods stores and pharmacies. Examples of applications for beauty and skin include:
It's important to read labels on any product before you use it, whether it's a gel, conditioner, shampoo, serum, or what have you. But no, all gels are not bad for your hair. 3a and strictly CG since August 2007.
Hair developer is mixed with color in order to activate the color and help it penetrate the hair shaft. Without developer, color would have no effect whatsoever on hair. It would lay on the outside of the hair shaft only to be rinsed away with the next shampoo. There are two main types of developer: creme and liquid.