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:
gel is a different story.. some gels have damaging chemicals such as alcahol which can dry your hair and actually extract natural oils from your hair and potentially break down the proteins that make up your hair.. this is more opinion that actual research, but from my p.o.v, wax is a far better choice =]. Source(s):
Even if a shampoo contains sulfates it can still be formulated to work well for your hair. However, I want you to have the most up to date information and the reality is there are better options for cleansing our naturally dry strands.