Overview
Clients commonly know Pico laser as a technology for melasma, freckles, post-acne marks, tattoos, and brightening. However, the name “Pico” does not automatically mean that every pigmentation concern can be managed in the same way. Results depend on the pigment type, depth, colour, skin foundation, energy level, treatment handpiece, and post-treatment care.
How Pico laser works
Pico laser delivers very short pulses and creates a photoacoustic effect that breaks pigment clusters into smaller particles for the body to continue processing. Compared with some longer-pulse systems, Pico may reduce the time heat remains in tissue. Nevertheless, the skin is still affected and can still develop redness, temporary darkening, or post-inflammatory hyperpigmentation if settings or care are unsuitable.
Some Pico handpieces also create micro-effects within the skin to support the surface, pores, and shallow scars. This is a different objective from treating pigment spots, so all Pico treatments should not be regarded as the same service.
Situations that may be considered
Pico is commonly considered for freckles, sunspots, post-acne marks, some superficial pigmentation concerns, tattoos, and uneven skin tone. For pores or texture, Pico may have a supportive role when the concern is not too deep.
Melasma requires caution. It can involve sunlight, hormones, genetics, inflammation, and the skin barrier. Laser affects only one part of the concern. If clients receive only laser but do not use sun protection, control irritation, or maintain home care, pigmentation can return or become more difficult to manage.
Situations that may not be suitable immediately
Skin with significant inflammation, irritation, burning and peeling, open wounds, or recent use of multiple strong active ingredients is commonly not suitable for Pico immediately. People with a history of severe post-inflammatory hyperpigmentation also need careful assessment.
Pico should not be performed only because a client requests a device by name. It is necessary to identify where pigment is located, the current skin condition, and whether the objective is spot removal, a more even tone, or surface improvement.
Limitations of Pico
Pico does not completely remove every type of melasma, cannot replace home care, and is not always the best option for deep scars. For clear pitted scars, CO₂ Fractional, RF Microneedling, subcision, or other restructuring methods may be more appropriate.
Results should not be assessed only after a few days. Some pigment areas may become temporarily darker before gradually lightening. Treating too aggressively to seek rapid results can increase inflammation and prolong recovery.
Recovery after Pico
After treatment, skin may become mildly red, warm, dry, or darker at treated spot areas. Clients need serious sun protection, gentle cleansing, moisturising, and should avoid picking dry areas.
Acids, retinoids, exfoliants, or strong brightening products commonly need to be paused in the initial stage, depending on treatment level and skin response. If burning redness persists, blistering occurs, pain increases, or pigmentation spreads, clients need to contact the provider for assessment.
What can Pico be combined with?
Pico can be combined with gentle peel, pigmentation-support mesotherapy, recovery care, or an appropriate home-care plan. However, combination does not mean doing as much as possible in one session.
If skin is weakened, recovery may be more important than adding another strong method. For mixed pigmentation, each layer or objective may need to be managed at different times.
DIVA’s Perspective
At DIVA, Pico is not treated as a “product” that clients choose by advertising alone. The first step is identifying the main concern, degree of pigmentation, recovery capacity, and risk of post-inflammatory hyperpigmentation.
Clients can begin with one suitable session. The final method is chosen after a skin assessment and clear quotation before treatment. In some cases Pico is the main tool. In others, it is only supportive. In some cases, treatment needs to be postponed while the skin foundation recovers first.
Conclusion
Pico laser is a valuable technology when it is used for the right indication, objective, and treatment level. It can support pigmentation, tattoos, and part of the skin surface, but it does not replace assessment of the cause, sun protection, and long-term care.
What matters is not how many Pico sessions the skin has received, but whether each session moves the skin closer to the objective without creating additional injury.
How Are Pico 755 nm and 532 nm Chosen Differently?
Introduction
Pico laser can use several wavelengths, with 755 nm and 532 nm commonly discussed for pigmentation objectives. The two wavelengths are not stronger and weaker versions of the same mode. They have different melanin absorption and penetration, so they are chosen according to colour, depth, and lesion type. Beyond pigmentation, Pico can also support pores, surface texture, and shallow scars when an appropriate photoacoustic mode is used. For this reason, describing Pico only as a melasma-treatment or spot-removal laser is incomplete.
532 nm wavelength
532 nm is absorbed more strongly by melanin and commonly acts more superficially. It may be considered for some superficial brown or red pigmentation, surface spots, and suitable ink colours. Because absorption is strong in the epidermis, the risk of surface reactions and PIH needs consideration, especially in darker skin. 532 nm is not the default choice for every brown spot. Depth, colour, and the nature of the lesion need assessment first.
755 nm wavelength
755 nm penetrates more deeply and has different melanin selectivity from 532 nm. It may suit some deeper pigmentation, certain ink colours, and fractional modes that support the skin surface. For enlarged pores, rough texture, and shallow scars, Pico 755 can be used to create sub-surface effects that stimulate remodelling with relatively controlled downtime. However, results depend on the treatment handpiece, pulse mode, and skin foundation, not only the wavelength.
It cannot be chosen from visible colour alone
A brown patch may be epidermal, dermal, mixed, or post-treatment inflammation. Photography lighting also changes colour. Choosing 532 nm only because an area looks brown, or 755 nm because deeper is assumed to be always better, increases the risk of targeting incorrectly. DIVA combines observation, skin analysis when needed, onset history, and previous reactions. Some cases need a test or a light starting approach to observe response.
Pico for pores and the skin surface
Pico does not only break pigment. With a fractional handpiece or suitable mode, energy can create micro-zones of impact beneath the skin to support texture, pores, and shallow scars. When pores are caused by oil and congestion, baseline control needs to be combined; when they are due to loss of elasticity or scars, RF Microneedling or another method may be needed. DIVA may combine Pico and RF Microneedling in stages to address the surface, structure, and shallow scars rather than use one technology for every cause.
DIVA chooses according to the objective
If the objective is clear pigment spots, the wavelength and handpiece are selected according to colour and depth. If the objective is pores, texture, or shallow scars, a fractional mode and combination plan are considered. With melasma, priority is controlling inflammation and recurrence risk; Pico is not regarded as a complete eradication solution. Weakened or recently irritated skin may need recovery first. Every session should have one main objective to avoid layering too many impacts.
Expectations and reactions
After Pico, skin may become red, mildly warm, swollen, or temporarily darker. Superficial pigment spots may darken before fading. With texture modes, clients may see the surface become gradually smoother over several weeks. Pores do not close completely and shallow scars commonly need multiple sessions or combination treatment. DIVA does not assess results while the skin is still swollen or bright from an immediate reaction. Follow-up photos need to be taken after suitable time has passed.
Risks and limitations
Risks include burns, PIH, hypopigmentation, melasma flare-ups, prolonged redness, and uneven results. Risk increases with an unsuitable wavelength, energy setting, or treatment on inflamed skin. Pico is not completely painless or completely without downtime. Settings cannot be copied between devices or clients. DIVA does not publish operating settings and does not allow clients to choose 755 or 532 themselves; this decision is part of professional assessment.
Conclusion
755 nm and 532 nm are selected according to the pigmentation objective, depth, skin colour, and treatment mode. Pico also has an important role for pores, texture, and shallow scars, especially when correctly combined with RF Microneedling or a supportive method. At DIVA, clients do not need to choose a wavelength. They only need to describe their concern and expectations; DIVA will select a suitable direction, begin with one session, and assess the response before building the next step.
Nguyen Hai Dang — Founder & Treatment Practitioner