Always have relaxer or color done professionally.
Whether your hair is relaxed or not, your hair will be healthier without regular blow-drying and curling.
Roller setting is healthier than blow-drying.
Never shampoo without conditioning.
Try to shampoo and condition your hair at least once a week.
If you have gray hair that turns yellow, use a yellow out shampoo and/or conditioner.
Highlights don’t have to be touched up every 6 weeks, you can have 2, 4, or 6 inches of new growth before you get a touch up.