Relaxer Retouch on an Abraded Scalp Three Weeks After Box Color
Friday at 3 p.m., a regular client arrives for a sodium hydroxide relaxer retouch. Her last relaxer was nine weeks ago, and she colored her hair at home with a box permanent color three weeks ago. She scratched her scalp vigorously last night; there is a 1 cm crusted area at the nape and visible redness along the hairline. She reports "a little tingling" when she touches the nape. She needs her hair smooth for graduation photographs in three days and asks you to "just skip the sore spot." She has had relaxers for years without a problem, but this is the first time she has colored at home. The salon stocks a no-lye relaxer and a mild-strength option. The relaxer manufacturer's directions specify a patch test 48 hours before first use and a strand test when hair has been previously colored.
1. Do you proceed with the relaxer today, modify it, or postpone? Explain the reasoning and what you would offer instead.
Read the worked answer
Do not apply the relaxer today. Sodium hydroxide is caustic; it works by breaking disulfide bonds, and the scalp is the barrier that keeps it from injuring tissue. A crusted 1 cm area plus hairline redness and tingling means that barrier is already compromised. Relaxer on abraded skin can cause a chemical burn, scarring, and permanent follicle loss. "Skip the sore spot" is not a reliable control: cream creeps, rinse water runs, and the nape is hard to isolate.
The three-week-old box color adds a second risk. Overlapping relaxer and oxidative color commonly causes breakage, and the manufacturer requires a strand test before relaxing previously colored hair.
Options: explain the risk and reschedule the retouch for 1–2 weeks after the scalp is fully healed. Offer a conditioning treatment and a smooth blowout or heat style for the photographs. If she wants color instead, that also waits. Take a mid-shaft strand test now to plan the future service, not to justify today's. Document the lesion, her request, and the reschedule.
2. The client says she will sign a waiver and asks for the mild formula. How do you respond, and what do you document?
Read the worked answer
A waiver does not transfer the duty of care, and it is not a defense for applying caustic product to broken skin. Say plainly: "I can't put relaxer on broken skin - it can burn and leave a scar. I can do X today, and we'll do the retouch when it's healed." Do not let her talk you into the mild formula on the same broken area; "mild" refers to strength, not to safety on abraded skin. If she leaves to have it done elsewhere, that is her choice; give her the reason and note it. Keep the tone non-judgmental - clients often scratch without realizing the consequence.
Document: the crusted area and redness, her report of tingling, the box color date, the request to skip the area or sign a waiver, the refusal, the alternatives offered, the reschedule, and that she was advised to let the scalp heal. Avoid editorializing about her choice; record facts and advice.
3. When the retouch is eventually performed, what are the critical processing and neutralization steps, and what home care do you give?
Read the worked answer
Apply barrier/base cream per the manufacturer, keep product off the healed area for at least another week after it looks normal, and time the application from the label. Do not scrub or massage the scalp during application. Rinse thoroughly, then neutralize with the manufacturer's neutralizing shampoo, lathering and rinsing until the indicator shows neutral or the label's cycle count is complete - skipping neutralization leaves alkaline residue that keeps breaking down hair. Follow with a pH-balanced conditioner.
Because of the box color, do a strand test before every relaxer service, and space relaxer and oxidative color at least two weeks apart.
Home care: no scratching, no tight braids or ponytails for a week, no shampoo for the interval stated on the relaxer label, and call the shop if burning or crusting returns. Explain that the scalp needs to be intact before the next chemical service, and that scratching the night before an appointment is the most common way clients create this problem.