AK Cosmetology study materials
AK Cosmetology study resources

Overprocessed Mid-Shaft on a New Client

AK Cosmetology · Put your knowledge to work in context.

All case studies

Overprocessed Mid-Shaft on a New Client

A client arrives for a color service with 8 cm of regrowth and previously lightened lengths. She reports a box color 6 weeks ago and a salon highlight 4 months ago. A strand test on shed hair from her brush snaps within 2 seconds when wet, and a test lightener patch on a hidden nape section shows breakage at the overlap zone after 10 minutes. She wants to be 'platinum today' for a wedding in 5 days. She has no known scalp irritation, but you notice scattered broken hairs at the crown and a slightly gummy feel at the mid-shaft when wet. She is on a tight budget and asks you to skip the patch test to save time.

1. What is your service plan for today, and how do you justify it to the client?

Read the worked answer

Do not lighten the compromised lengths today. The wet stretch test (snapping in about 2 seconds) and the gummy mid-shaft indicate loss of cortical integrity; further lightening will drive breakage, especially at the overlap. Options to present:

  1. Today: scalp and root application only if the regrowth tests normal, or a conditioning/repair service and a trim of the most damaged ends.
  2. Wedding in 5 days: a gloss or deposit-only tone for shine and color refresh, plus a blow-dry/style - realistic and low-risk.
  3. After the wedding: staged lightening with bond-building support, test strands before each session, and a realistic timeline (often 2–3 sessions for platinum on previously box-colored hair).

Explain that 'platinum today' is not achievable safely on this hair; a documented refusal of the risky service protects the client and your license. Offer a written plan and rebook.

2. The client insists you skip the patch test. How do you respond, and what do you document?

Read the worked answer

Patch testing is a professional standard and, for oxidative color, a manufacturer requirement; skipping it is not a shortcut you can take on request. Explain the purpose (detecting sensitization/allergy) and the risk (delayed reaction, scalp injury). If she declines, you decline the oxidative color service and offer non-oxidative alternatives.

Document: date, the service discussed, that a patch test was recommended, that the client declined, that the service was not performed, and her signature if your salon uses a consent form. Keep the tone factual, not punitive. This record matters if a reaction or complaint arises later.

3. During the root application, the client reports itching and burning at the nape. What do you do?

Read the worked answer

Stop immediately. Remove product from the affected area with cool water, avoiding scrubbing. Assess for redness, swelling, or blistering; if present, advise medical evaluation and do not apply more product. Do not attempt to 'finish' the service.

Rinse thoroughly, apply a soothing neutral product only if appropriate, and document the timeline, product, batch/lot if available, and symptoms. Follow your salon's incident procedure and manufacturer reporting. Note the reaction in her record and flag it for future services - a prior reaction means no further oxidative color without medical clearance.