Isotretinoin, Tretinoin, and a Discolored Nail: What the License Covers
A 41-year-old client books a 60-minute facial with extractions plus a gel manicure, both three days before an international trip. Her intake form shows she finished a five-month course of isotretinoin four months ago and still applies topical tretinoin nightly. Her cheeks are mildly erythematous after an at-home peel she used two days ago. Her right thumbnail is thickened over the distal half, yellow-brown, with onycholysis and debris under the free edge; the surrounding skin is intact. She has had it for eight months and thinks it has begun on the neighboring finger. She also has a healed cut on the left index finger. She asks the tech to "file the discolored nail down and cover it with acrylic" so it looks even in photos. In this state, esthetics and nail technology are separate licenses, and the salon employs one dual-licensed tech.
1. Which parts of the booked facial can you perform, which must you decline, and why?
Read the worked answer
Decline: extractions, any exfoliation, peels, hot towels or steam, and high-frequency or galvanic work. Three factors stack:
- Isotretinoin history. Retinoid therapy thins and slows renewal of the epidermis and reduces sebum; skin remains fragile and heals poorly for months after the last dose. Common esthetics guidance is to avoid waxing and aggressive exfoliation or dermabrasion for roughly six months after stopping - four months out, she is still inside that window.
- Topical tretinoin nightly. Ongoing use keeps the stratum corneum compromised; typical practice is to have the client stop topical retinoids several days before a facial with exfoliation. She has not stopped.
- Recent at-home peel plus visible erythema. Red cheeks two days after a peel mean the barrier is already irritated. Extractions on a compromised barrier increase the risk of bruising, post-inflammatory hyperpigmentation, and infection.
What you can do instead: a gentle, non-exfoliating calming facial - mild cleanser, cool compresses, light hydration, massage only if the skin tolerates it and the client consents, and sun protection. No heat, no suction, no abrasion. Before the service, explain the reasoning, get informed consent for the modified treatment, and suggest she discuss timing with her dermatologist. Document the modification and her agreement. The trip in three days is an argument for caution, not against it: a reaction now would be at its worst in her photographs.
2. What is your assessment of the thumbnail, what is your scope of practice, and what can you still do for her hands?
Read the worked answer
Assessment: suspected onychomycosis until a physician says otherwise. Thickening, yellow-brown discoloration, onycholysis with subungual debris, a duration of eight months, and apparent spread to an adjacent digit is the pattern of a fungal nail infection, not a cosmetic stain. It could also be psoriasis or trauma, but neither can be ruled in or out in a salon.
Scope of practice. Diagnosing and treating a nail disorder is outside a nail technology license. An infected nail is a contraindication for nail services on that nail, and covering it with acrylic traps moisture and organisms and can worsen the condition while masking it.
Decline specifically: filing down the plate - filing aerosolizes fungal particles across the station, thins an already-lifted plate, and can be painful; acrylic or gel overlay on the affected nail; cutting or pushing the loose portion aggressively.
Still offer: a careful service on the unaffected nails using freshly disinfected implements, gloves, and no sharing of files, buffers, or implements between her and the next client. Refer her to a physician or podiatrist for a culture and treatment, and explain that the nail will not look normal in three days regardless of what is applied. Offer to resume full services once a clinician confirms the infection has cleared, and note the referral in her record so the next tech knows why the service was limited.
3. The client is upset and says the last salon covered the nail with no problem. How do you handle the conversation and document it?
Read the worked answer
Conversation. Lead with what you can do, not what you cannot. Say plainly that the nail looks like an infection rather than a cosmetic problem, that a doctor can confirm and treat it, and that covering it would trap the infection and could make it spread to her other nails - which is what she is already worried about. Avoid criticizing the previous salon. Do not diagnose; say "this needs a physician's assessment" rather than "you have fungus."
Do not cave on the safety point. A client's consent does not make a contraindicated service appropriate, and "the other salon did it" is not a clinical argument. If she pushes, offer the unaffected-nail service, a referral, and a future appointment.
Documentation in her record:
- Date and description of the nail findings in objective terms (thickening, discoloration, separation, affected digits, duration as reported).
- That she requested filing and an acrylic overlay.
- That the service on the affected nail was declined, the reason given, and that a physician referral was advised.
- What service was actually performed, products used, and her consent to the modified service.
- That she was told to reschedule after clearance.
If your employer or a coworker pressures you to perform the service anyway, the response is that it is outside the license and outside the salon's infection-control obligations; escalate it rather than rely on a client signature to cover it.