Different Spots Require Different Treatments: Understanding Common Pigmented Skin Lesions
- navidpooyan
- Feb 13
- 3 min read
Not all dark spots are the same, and treating them correctly starts with knowing what you’re dealing with. Sun exposure, hormones, inflammation, and even genetics can all play a role in skin pigmentation. Below is a breakdown of common types of spots, what causes them, and how they’re typically treated.
Sunspots
What they are: Sunspots , also called solar lentigines or age spots are flat brown spots caused by long-term sun exposure. They commonly appear on the face, hands, chest, and shoulders.
Why they happen: UV radiation stimulates melanocytes (pigment-producing cells), leading to localized pigment buildup over time.
How they’re treated:
The Alexandrite laser targets and breaks down pigment, allowing the body to clear it naturally while minimizing damage to surrounding skin. Sunspots usually respond very well to light-based treatments because the pigment sits relatively superficially in the skin.
PIH (Post-Inflammatory Hyperpigmentation)
What it is: PIH appears as darkened patches after inflammation or injury — commonly after acne, eczema, burns, or cosmetic procedures. It shows up as flat brown, red, or purple marks.
Why it happens: Inflammation triggers excess melanin production during the healing process. It’s more common and often more persistent in deeper skin tones.
How it’s treated:
Treatment typically combines gentle brightening products, appropriate laser treatments, and strict sun protection. PIH requires a careful approach. Aggressive treatments can worsen pigmentation, especially in melanin-rich skin.
Freckles
What they are: Freckles are small, light brown spots that often appear in childhood. They are harmless, genetically influenced and tend to darken with sun exposure.
Why they happen:They’re caused by increased melanin production in response to UV light, not an increased number of pigment cells.
How they’re treated (if desired):
When cosmetically unwanted, they can be treated with options like the Alexandrite laser or IPL. Freckles are completely benign and often considered a natural skin trait. Treatment is purely cosmetic.
Melasma
What it is: Melasma presents as larger, patchy brown or gray-brown areas, typically on the cheeks, forehead, upper lip, and jawline.
Why it happens: It’s strongly linked to hormones (pregnancy, birth control), heat, and sun exposure. It can be chronic and recurrent.
How it’s treated:
While harmless, it can be persistent and is best managed with carefully selected topical treatments, prescription therapies, or specialized lasers. Melasma can worsen with aggressive heat-based treatments, so management requires a strategic, long-term plan.
Melanoma
What it is: Melanoma is a serious and potentially life-threatening form of skin cancer that develops from melanocytes. It often appears as a new or changing mole with irregular color, shape, or growth
How it’s treated: Treatment typically involves surgical removal and may include additional therapies depending on the stage. Any suspicious or changing mole should be evaluated by a medical professional immediately. Early detection dramatically improves outcomes.
Common Pigmented Skin Lesions and Treatments
Final Thoughts
These common Pigmented Skin Lesions and their Treatments are complex.Two spots may look similar but require completely different approaches. Whether you’re dealing with sun damage, acne marks, hormonal pigmentation, or a concerning mole, proper evaluation is the first step toward safe and effective treatment.
If you’re unsure what type of pigmentation you have, consult a qualified medical or aesthetic professional before beginning treatment. Your skin deserves precision, not guesswork.
