How do Vbeam Laser and Picosecond Laser work?
Mechanism of operation
- Vbeam Perfecta: This is a Pulsed Dye Laser (PDL) with a wavelength of 595 nanometers, which effectively targets blood pigments, causing swollen and red capillaries to shrink.
- Picosecond laser: This type of laser operates at the picosecond level, focusing on breaking down pigments. It's more suitable for treating dark spots.
Comparison table of Vbeam Laser vs Picosecond Laser
| หัวข้อ | Vbeam Perfecta | Picosecond |
|---|---|---|
| Featured | Specifically treats redness and broken capillaries. | Focuses on dark spots, melasma, and freckles. |
| Duration of effect | 1-3 times | 2-5 times (for redness) |
| pain | Low to moderate | Low to moderate |
| Recovery period | 1-2 days | 2-3 days |
| Approximate price | 4,000-12,000 baht per session | 4,000-12,000 baht per session |
| After the procedure | Minor bruising for 1-2 days. | It may cause burning, swelling, and redness. |
Advice from the doctor:
Dear patient, if you have problems with redness from acne, especially, Vbeam Perfecta will be the solution.
- More focused on the problem.
- See results faster.
- Use fewer times.
- I need to use the emergency page.
However, the doctor needs to examine the patient's skin first, as some people may have both redness and dark spots. A combination of treatments may be necessary, or the doctor may choose the laser that best suits the most prominent skin problem.


How many days does it take for acne redness to turn into dark marks?
Initial redness phase (0-7 days)
- Acute inflammation occurs.
- Vasodilation
- The skin may be red, swollen, and possibly warm.
The redness is changing phase (7-14 days).
- The inflammation begins to subside.
- The pigment cells begin to function.
- You might see the color become darker red or start to turn light brown.
Period until it turns into a dark spot (14-30 days)
- Cells produce more melanin.
- The color starts to change to brown or black.
- The redness will gradually fade.
The table shows the changes in acne scars.
| period | Mark characteristics | Changes at the cellular level. | สิ่งที่ควฃ |
|---|---|---|---|
| 0-7 days | Bright red, swollen. | High inflammation, vasodilation. | Reduce inflammation; do not pick. |
| 7-14 days | Dark red - light brown | Melanin production begins, inflammation decreases. | Apply cream to reduce redness and sunscreen. |
| 14-30 days | Black sugar | Full melanin production. | Use a product to reduce dark spots. |

Factors affecting the speed at which hyperpigmentation occurs.
Internal factors
- The patient's skin color (darker skin tends to darken faster).
- heredity
- Age and hormone function.
external factors
- Exposure to sunlight (accelerates melanin production)
- Picking or squeezing pimples.
- Using skincare products.
- Pressure
Tips for preventing dark spots.
First 0-7 days
- Use anti-inflammatory products.
- Apply antibiotic ointment as prescribed by your doctor.
- Never pick or squeeze pimples.
7-14 days
- Apply sunscreen with SPF 50+ every day.
- Use products that contain:
- Vitamin C
- Niacinamide
- Azelaic acid
14-30 days
- Use a product to reduce dark spots.
- Avoid direct sunlight.
- Consider getting treatment from a doctor.
Appropriate treatment at the right time.
Redness period (0-14 days)
- Vbeam laser
- LED therapy
- Apply anti-inflammatory cream.
Period of transition to dark spots (14-30 days)
- Picosecond laser
- Mild chemical peeling
- Dark spot reducing products
The doctor recommends that prevention is better than cure. If we take care of it from the early stages, the chances of developing dark spots will be lower. However, if you already have acne scars, you can consult a doctor to plan an appropriate treatment.


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