Sun Spot Removal in Singapore

Sun spots (solar lentigines) are flat, well-defined brown marks on the cheeks, temples, forearms and backs of the hands. Freckles (ephelides) are smaller and lighter, often appear in childhood, darken with sun and fade a little when you stay indoors. Both are common here, where ultraviolet levels stay high all year. Sun spot removal in Singapore is usually straightforward, but only after a doctor has confirmed what each mark actually is.

Both come from melanin in the upper skin. In freckles, pigment cells make more melanin in response to sunlight without increasing in number. In sun spots, years of ultraviolet exposure raise both the amount of pigment and the number of pigment cells, so the marks tend to stay. Freckles run in families; sun spots build up with age and time outdoors. Other brown marks can look similar, including melasma, seborrhoeic keratoses and, rarely, early skin cancer.

That is why assessment comes first. Anything new, changing, raised, itchy or bleeding should be examined before any brightening or laser treatment. Once a mark is confirmed as a sun spot or freckle, laser treatment is performed by Dr Sin Yong at IN Eternity Clinic, while SkinRev supports overall tone and daily sun protection. Sunscreen is the constant in every plan, because the same sun that created the spots will keep prompting new ones.

“A brown spot is only treated as a sun spot after a doctor has looked at it; lightening a mark that should have been examined is a risk worth refusing.”

— Dr Sin Yong, IN Eternity Clinic

Types

Solar lentigines (sun spots) and ephelides (freckles); look-alikes include melasma and seborrhoeic keratosis

Layer involved

Epidermis, mainly the basal layer where pigment cells sit

Laser wavelengths

755 nm (alexandrite) and 1064 nm (Nd:YAG), both absorbed by melanin to differing degrees

Pulse durations

Milliseconds (long-pulsed), nanoseconds (Q-switched) or picoseconds (pico)

Main risk in Asian skin

Temporary darkening after treatment (post-inflammatory hyperpigmentation)

What goes where

The honest ladder:
non-invasive first, medical when it is needed

Start non-invasive if you mainly want a brighter, more even tone, if your freckles are light, or if you are building a sun-protection routine before considering lasers. See the doctor first if you want spots removed rather than softened, if a mark is new, growing, raised, irregular in colour or bleeding, or if you are unsure whether a patch is melasma, which reacts differently to heat. If you tan easily or have darkened after past treatments, say so, because Asian skin is more prone to temporary darkening after lasers and settings need adjusting. Avoid treating spots while you are sunburnt or freshly tanned, and plan laser sessions away from beach holidays where possible.

What the research says

The evidence,
with sources

A 2023 systematic review of 48 studies covering 1,763 people compared treatments for lentigines. Laser-based and combination treatments showed the highest rates of complete response, while cryotherapy, once considered first-line, performed less well, and side effects were reported with every method (Mukovozov et al.). A systematic review of picosecond lasers rated the evidence for benign pigmented lesions and concluded that these lasers are a safe and effective option when used appropriately (Wu et al.).

In Asian skin specifically, a review of common pigmentary conditions notes that freckles and lentigines are frequent, that Q-switched lasers clear surface pigment effectively but carry a higher risk of post-inflammatory hyperpigmentation, and that gentler long-pulsed or light-based approaches carry less risk but need more sessions (Ho and Chan). Prevention matters too: in a randomised study, daily broad-spectrum sunscreen slowed visible skin ageing compared with occasional use (Hughes et al.). Taken together, the evidence supports choosing the laser to suit the skin type, then protecting the result with daily sunscreen.

References

1. Mukovozov I, Roesler J, Kashetsky N, Gregory A. Treatment of lentigines: a systematic review. Dermatol Surg. 2023;49(1):17-24.
2. Wu DC, Goldman MP, Wat H, Chan HHL. A systematic review of picosecond laser in dermatology: evidence and recommendations. Lasers Surg Med. 2021;53(1):9-49.
3. Ho SG, Chan HH. The Asian dermatologic patient: review of common pigmentary disorders and cutaneous diseases. Am J Clin Dermatol. 2009;10(3):153-168.
4. Hughes MC, Williams GM, Baker P, Green AC. Sunscreen and prevention of skin aging: a randomized trial. Ann Intern Med. 2013;158(11):781-790.

Common questions

Your questions,
answered

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