The IPL Request With an Irregular Macule

Ranked from "stop outright" to "modify":

1. The macule - hard stop, and the reason is not cosmetic. Roughly 9 mm, irregular border with a notch, two shades of brown, and a documented history of growth and darkening over a year. That is an ABCDE-positive pigmented lesion. IPL over it risks (a) burning an atypical lesion, (b) partially lightening it and masking the feature that would prompt a biopsy, and (c) delaying a diagnosis of melanoma. A device is never the correct response to a changing pigmented lesion.
2. Recent UV exposure with visible tan, 6 days ago. IPL targets melanin. A tanned epidermis competes for photons and raises the risk of blistering, crusting and hypopigmentation - and hypopigmentation in Fitzpatrick V skin is often permanent. Standard practice is 2–4 weeks without sun or tanning before treatment. This alone defers today regardless of the lesion.
3. Photosensitizing medications. Hydrochlorothiazide is a well-recognized photosensitizer, and St. John's wort is phototoxic. Either warrants deferral or prescriber clearance before a light-based treatment.
4. Fitzpatrick V. Higher baseline risk of PIH, hypopigmentation and paradoxical darkening. This does not make treatment impossible, but it means conservative settings, a test spot and a longer interval.
5. Herpes labialis 2 months ago. Relevant only if perioral treatment is planned; if so, antiviral prophylaxis is standard. Note it now so it is not forgotten when she rebooks.
6. The online consent form. Consent documents permission; it does not create an indication. It is also a signature on a form she completed before any assessment, which is precisely the kind of consent that does not hold up.

What you say:

"I'm not going to treat that spot, and I want to be direct about why. It's about the size of a pencil eraser, the edges aren't smooth, it has two different colors in it, and you've told me it has grown and darkened over the past year. Those are the features we are trained to send to a dermatologist, not to treat with light. If I treat it and it lightens partially, we may hide the very thing that needs to be looked at - and that delay is the risk I'm not willing to take on your behalf. I'd like to photograph and measure it today, put a referral in your hand, and get you seen in the next couple of weeks. If the dermatologist clears it, I'll happily treat your skin."

Notice the framing: it is not "I can't," it is "here is the specific harm I am preventing, and here is the pathway to yes."

Why the consent form does not change it:

• Consent is a process, not a signature. Valid consent requires the client to have been informed of the nature of, and alternatives to, the treatment by the person performing it, at the time it is performed.
• A form cannot consent to a treatment that is not indicated. No document obligates a practitioner to perform a procedure they judge unsafe.
• The form was completed before any assessment, so it could not have covered findings that did not yet exist in the record.
• Consent is revocable and time-limited, and any consent to treat the lesion would be consent to a foreseeable harm you have identified.

Rebooking plan:

• No IPL today. She leaves with a written referral and a target of being seen within 2 weeks.
• Return criteria before any light-based treatment: written dermatology clearance or a benign diagnosis for that lesion; 2–4 weeks with no sun, tanning beds or self-tanner; prescriber discussion of the hydrochlorothiazide and St. John's wort (hold or substitute, confirmed in writing, not on the client's word alone); and a test spot at conservative fluence in a less visible area, read at 2–4 weeks before treating the full face.
• Realistic expectation setting for the 3-week event: tell her plainly that a safe first treatment will not be fully visible in 3 weeks, and that the responsible sequence starts after the dermatology visit.

Chart documentation:

• Location, measured size, described morphology (irregular, two shades, notched border) and change over time as reported by the client.
• Baseline photograph, with separate photo consent.
• That the lesion was identified, not treated, and why.
• Date of referral, to whom, and that a written referral was provided.
• The medications reviewed and that prescriber clearance will be required.
• That the client's request for treatment today was declined and that she was informed of the alternatives.
• Follow-up date set for confirmation that the dermatology visit occurred.