How Long to Wait for Laser Spot Removal After Using AHA Cream? - Plastic Surgery

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Laser spot removal


I want to undergo laser treatment for pigmentation removal, but I have recently been using a spot treatment cream (Happiness) that contains tretinoin (A acid).
How long should I wait before I can have the laser treatment? Thank you.

Miss Wang, 30~39 year old female. Ask Date: 2008/07/02

Dr. Zhou Hongzhang reply Plastic Surgery


There is no absolute correlation between the use of topical retinoids (A acid) and laser treatments.
Theoretically, the effects of retinoids diminish approximately one week after discontinuation.
Therefore, it is advisable to space the two treatments at least one week apart for safety.

Reply Date: 2008/07/02

More Info


When considering laser spot removal after using AHA (Alpha Hydroxy Acid) creams, such as those containing retinoids like tretinoin (commonly referred to as A acid), it is essential to understand the implications of combining these treatments. AHA creams are known for their exfoliating properties, which can enhance skin cell turnover and improve skin texture. However, they can also make the skin more sensitive, especially when exposed to laser treatments.

1. Timing Between AHA Use and Laser Treatment: It is generally recommended to pause the use of AHA creams for at least one to two weeks before undergoing laser treatments. This waiting period allows your skin to recover from the potential irritation and sensitivity caused by the AHA. If you have been using AHA consistently, your skin may be more prone to adverse reactions from the laser, such as increased redness, swelling, or even burns.

2. Post-Laser Care: After undergoing laser spot removal, it is advisable to avoid using any strong active ingredients, including AHA, for at least one week. This is to minimize irritation and allow the skin to heal properly. During this time, focus on gentle skincare products that are hydrating and soothing. Sun protection is also crucial, as the skin will be more sensitive to UV exposure post-treatment.

3. Collagen Production and AHA: There is evidence suggesting that using AHA products can enhance collagen production in the skin. However, this effect is typically seen over a longer period and is not immediate. After laser treatments, the skin's healing process can also stimulate collagen production, so combining both treatments can be beneficial if timed correctly.

4. Long-Term Use of AHA: If you have been using AHA for an extended period and have developed a tolerance without significant irritation, you may be able to resume its use after the initial healing period post-laser treatment. However, it is crucial to listen to your skin and consult with your dermatologist about the best course of action. They may recommend a tailored skincare regimen that includes AHA while ensuring that your skin remains healthy and well-protected.

5. Consultation with a Dermatologist: Before proceeding with laser treatments, it is always best to consult with a qualified dermatologist. They can assess your skin type, the specific AHA product you are using, and your overall skin condition to provide personalized advice. They may also suggest alternative treatments or adjustments to your skincare routine to optimize results and minimize risks.

In summary, if you are considering laser spot removal after using AHA creams, it is advisable to wait at least one to two weeks after discontinuing the use of these products. Post-laser, avoid AHA for at least a week to allow your skin to heal properly. Always consult with a dermatologist for tailored advice and to ensure the best outcomes for your skin health.

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