Skincare
May 18, 2026·5 min read
Not all dark spots respond to the same treatment. That distinction matters more here than almost anywhere else in the country — and getting it wrong doesn't just mean disappointing results, it can mean making things worse.
Hyperpigmentation is a broad term for any area of skin that's darker than the surrounding tissue — the result of excess melanin being deposited in the skin. But the word covers at least three meaningfully different processes, and the types of dark spots on skin that show up in a Yuma consultation room reflect all of them.
Sun damage — what most people picture when they say "sunspots" or "age spots" — is cumulative UV-induced melanin production. Your melanocytes respond to UV exposure by producing more pigment as a protective response, and over years that pigment accumulates unevenly, particularly on the face, chest, and hands.
Melasma is different. It's driven by a combination of hormonal influence and UV exposure, which is why it tends to appear on the upper lip, cheeks, and forehead in a characteristic pattern and why it's so much more common in women — particularly those who are pregnant, on oral contraceptives, or in perimenopause. The hormonal component means that treating melasma like sun damage can backfire: certain light-based therapies that work well on UV-induced spots can actually worsen melasma, especially in patients with higher Fitzpatrick skin types.
Post-inflammatory hyperpigmentation (PIH) is the dark discoloration that follows skin trauma — acne breakouts, cuts, rashes, or any procedure that creates inflammation. Your skin's melanocytes respond to that inflammation by depositing extra pigment in the healing tissue. PIH is not a sun-damage issue at its root, though UV exposure will absolutely intensify and prolong it.
Three different processes. Three different treatment approaches. One blanket protocol applied to all three is how patients end up frustrated — or, in the case of melasma, worse off than when they started.
Yuma's UV index is among the highest in the United States year-round. By late May, we're approaching conditions that make even brief unprotected outdoor exposure meaningful — and unlike coastal cities with marine-layer cloud cover, Yuma's dry desert air offers no buffer. Hyperpigmentation is a year-round reality here, but the weeks before summer peak are when I see the most patients coming in with concerns they've been watching since winter.
The desert climate adds another layer: lower humidity tends to compromise the skin barrier over time, which makes skin more reactive — and a reactive skin barrier makes PIH more likely after any procedure. That's not a reason to avoid treatment. It's a reason to assess carefully, sequence thoughtfully, and make sun protection a non-negotiable part of any plan. If you're not already rigorous about SPF, that conversation has to happen before we talk about anything else. Our sun protection guidance for Yuma-area patients explains exactly why, and it applies to every hyperpigmentation patient we see.
The region's demographic reality matters here too. Yuma has a substantial population with higher Fitzpatrick skin types — skin that produces melanin more readily, which is both a natural protection against UV damage and a meaningful factor in treatment selection. Some approaches that are well-tolerated in lighter skin types carry a real risk of worsening pigmentation in darker skin tones. The American Academy of Dermatology's melasma treatment guidelines are explicit on this point, and it shapes how I approach every hyperpigmentation consultation.
Diagnosis isn't always obvious from a photo or a quick look. In practice, I'm looking at several things together: the distribution pattern, the borders, whether it appeared gradually or after a specific event, the patient's hormone history, and their skin's response to previous treatments or sun exposure.
Sun damage typically presents as discrete, well-defined spots — often on the nose, cheeks, and upper chest — that have accumulated slowly over years. Melasma tends to be more diffuse, with irregular borders and a geographic distribution that follows sun-exposed areas but tracks with hormone changes. PIH is usually identifiable by history: there's a preceding inflammatory event, and the discoloration corresponds to that location.
Wood's lamp examination and dermoscopy can sharpen the picture. So can a detailed intake — what a patient tells me about their skin history, their hormones, and what they've already tried often tells me more than a visual exam alone. The goal at this stage is to arrive at a clear picture of which process is driving the pigmentation before any treatment is selected — because the treatment menu differs meaningfully by type.
Sun damage tends to respond well to IPL (intense pulsed light) on the Alma Harmony XL PRO platform, which targets melanin selectively in UV-induced spots. IPL is a broadband-light treatment — not technically a laser — that delivers energy absorbed by the pigment in those cells, prompting your body to clear them gradually. It's a maintenance approach in Yuma, not a one-and-done; the UV exposure that caused the original damage doesn't stop.
Melasma requires a more careful hand. Certain light-based approaches can trigger a rebound pigmentation response, particularly in patients with higher Fitzpatrick skin types — which is why I often reach for medical-grade topical regimens first, including options from the Obagi® line, paired with meticulous sun protection. Hormonal factors may need to be addressed as well, and that conversation is part of how I approach melasma consultations. Published clinical guidance from the American Society for Dermatologic Surgery on post-inflammatory pigmentation and melasma management reinforces the case for a subtype-specific approach rather than a single-modality protocol.
PIH usually responds best to time, gentle skin-barrier support, and consistent sun protection. For persistent PIH, prescription-strength topical regimens can help speed the fading process. Procedures can be introduced carefully once inflammation has fully resolved — but rushing them risks re-triggering the inflammatory response that caused the PIH in the first place, and in Yuma's UV environment that risk is compounded.
Hyperpigmentation disclaimer: Hyperpigmentation can have multiple causes, and not all are appropriate for laser-based therapy. Some forms of pigmentation — including melasma in higher Fitzpatrick skin types — can worsen with the wrong approach. Marina Roloff, DNP, FNP-C, will assess your specific pigmentation concerns at consultation.
Every hyperpigmentation consultation at Enhance starts the same way: with a thorough assessment before any treatment is discussed. I want to understand what type of pigmentation you're dealing with, what's driven it, and what you've already tried. In practice, that means a detailed intake conversation, a visual assessment of distribution and border pattern, and — when the picture isn't clear — Wood's lamp or dermoscopic evaluation. That's not a formality; it's how we avoid applying a solution designed for one type of dark spot to a completely different underlying process.
Depending on what we find, an individualized plan might draw from the skin treatments available at Enhance — IPL on the Alma Harmony XL PRO, medical-grade topical regimens through our Obagi® and SkinBetter Science® lines, or a combination approach that sequences treatments appropriately for your skin type and the specific pigmentation pattern you have. For patients with melasma that has a clear hormonal driver, that conversation may extend into other areas of care as well. Our approach to laser and light-based treatments is the same throughout: the right tool for the right indication in the right patient.
If you'd like to talk through what's driving your hyperpigmentation and what a first step might look like, schedule a consultation at Enhance Aesthetics & Wellness — call us at 928.370.4480.
Cosmetic and educational note: Topical skincare products referenced in this post are cosmetics, not drugs. They are intended to support the appearance of the skin, not to treat or cure any medical condition.
Affiliate disclosure: Enhance Aesthetics & Wellness may earn a commission from purchases made through links on this page or from the Enhance Rewards App.
Standard disclaimer: Information on this page is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Individual results vary; outcomes shown or described are not guaranteed. Consult Marina Roloff, DNP, FNP-C, for guidance specific to your situation. Images may contain models. © 2026 Enhance Aesthetics & Wellness.
Medically reviewed by Marina Roloff, DNP, FNP-C — 2026-05-18
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Marina Roloff, DNP, FNP-C — Enhance Aesthetics & Wellness, Yuma, AZ
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