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Patients often panic when a treated lentigo looks worse at day three. Here is the biology behind the darkening, the crusting, and the fade, plus the red flags that actually deserve a call to your provider.
July 29, 2026 · Marisol Etcheverry
The brown and red mottling on most sun exposed necks is not a cluster of age spots, and the giveaway is a patch of skin under the chin that never sees direct sun. If that patch is clean while everything around it is not, almost nothing sold for age spots will touch what you have.
July 28, 2026 · Marisol Etcheverry
Both technologies target melanin, but they do it in fundamentally different ways. Here is a plain-English breakdown of how each works, who tends to respond, and where the risks diverge.
July 28, 2026 · Marisol Etcheverry
Every story we have filed
47 stories on file
Field NotesNobody in a consultation room asks which side of the car you sit on, yet the answer often explains why the spots on one temple arrived a decade before the ones on the other. A five minute paired comparison at your own bathroom mirror tells you whether your pigment is coming from beach days or from the commute.
· Declan Whitcombe
ExplainerBoth technologies target melanin, but they do it in very different ways. Understanding the mechanism explains the results, the downtime, and the risks, especially for darker skin tones.
· Marisol Etcheverry
ExplainerBoth technologies target melanin, but they do it differently. Here is how the physics translates into results, downtime, and risk for solar lentigines.
· Marisol Etcheverry
ExplainerThree of the most common in-office treatments for solar lentigines work in fundamentally different ways. Understanding those differences explains why results, risks, and candidacy vary so much from patient to patient.
· Marisol Etcheverry
ExplainerBoth technologies target the same pigment, but they deliver energy in very different ways. Understanding the mechanism explains why one flat brown spot clears in a single session while another needs three, and why skin tone changes the calculation entirely.
· Marisol Etcheverry
ExplainerBoth technologies target pigment, but they work on different physics, carry different risks, and suit different patients. Here is the mechanism-level breakdown clinicians use when choosing between them.
· Marisol Etcheverry
§ 04 · Frequently Asked
Most are benign, but a new or changing dark spot in adulthood should always be evaluated by a dermatologist. Melanoma can present as a darker, irregular spot that resembles an age spot at a glance.
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