Recommended Intervals for Laser Treatments and Acids in Dermatology

The recommended interval between treatments using fractional laser, hyaluronic acid, and lipophilic fruit acids?

Hello Dr.
Wu, I recently had fractional laser treatment on my face, and the staff at the clinic informed me of the following: 1.
It is recommended to wait two weeks after fractional laser treatment before undergoing hyaluronic acid injections? 2.
Can I receive fractional laser treatment one week after having hyaluronic acid injections? Additionally, I am interested in experiencing lipophilic alpha hydroxy acid at another clinic.
Could you please clarify: 3.
What is lipophilic alpha hydroxy acid? 4.
How long after receiving hyaluronic acid injections can I try lipophilic alpha hydroxy acid? 5.
After undergoing lipophilic alpha hydroxy acid treatment, how long should I wait before receiving hyaluronic acid injections or fractional laser treatment? I have posed these five questions because the recommendations from the staff at the two clinics differ, so I am seeking assistance on this website.
Thank you!

Cai Xiaojie, 30~39 year old female. Ask Date: 2013/05/19

Dr. Wu Yuxin reply Dermatology

Questions 1 and 2 are indeed correct; a gap of 1-2 weeks, or even longer, is necessary.
If you are undergoing higher energy treatments, adjustments may need to be made based on recovery status and the skin's tolerance to stimulation.
For Question 3, general alpha hydroxy acids (AHAs) like glycolic acid are hydrophilic, while mandelic acid is lipophilic, which means it has a higher affinity for the skin's lipid barrier, allowing for better penetration of the stratum corneum and easier absorption compared to hydrophilic AHAs.
For Questions 4 and 5, the concentration must be considered; if it is a low concentration, a gap of 1-2 weeks is recommended.
However, if it is a high concentration, there may be scabbing and increased sensitivity, in which case it is advisable to wait until complete recovery before proceeding with the next treatment session.

Reply Date: 2013/05/19

More Info

When it comes to the use of laser treatments and topical acids in dermatology, it's crucial to understand the recommended intervals and how these treatments can interact with each other. Based on your questions, let's break down the information regarding laser treatments, specifically the Fraxel laser, and the use of topical acids, including the significance of lipid-soluble acids.

1. Interval Between Fraxel Laser and Topical Acids: After undergoing a Fraxel laser treatment, it is generally recommended to wait at least two weeks before applying any topical acids, including retinoids or alpha hydroxy acids (AHAs). This waiting period allows your skin to heal and reduces the risk of irritation. The skin may be sensitive and compromised immediately after laser treatment, and introducing acids too soon can exacerbate this sensitivity.

2. Interval Between Topical Acids and Fraxel Laser: Conversely, if you have applied a topical acid, such as a retinoid or AHA, it is advisable to wait at least one week before undergoing a Fraxel laser treatment. This precaution helps to ensure that the skin barrier is not overly compromised, which can lead to increased irritation and adverse effects during the laser procedure.

3. Understanding Lipid-Soluble Acids: Lipid-soluble acids, such as salicylic acid, are designed to penetrate the skin more effectively than water-soluble acids. They can dissolve in the oil of the skin, making them particularly effective for treating oily and acne-prone skin. These acids can help to exfoliate the skin, unclog pores, and reduce inflammation. If you are considering a treatment with lipid-soluble acids, it is essential to discuss this with your dermatologist to determine the best timing in relation to other treatments.

4. Timing Between Treatments: After receiving a treatment with a lipid-soluble acid, it is generally recommended to wait at least one week before undergoing another treatment, such as a Fraxel laser or another acid treatment. This allows your skin to recover and minimizes the risk of irritation.

5. Post-Treatment Care: After any acid treatment or laser procedure, it is vital to follow a proper skincare regimen to support healing. This includes using gentle, hydrating products and avoiding harsh exfoliants or irritants. Sunscreen is also crucial, as both laser treatments and acids can increase your skin's sensitivity to UV radiation.

In summary, the intervals between laser treatments and topical acids are essential for ensuring the best results while minimizing potential side effects. Always consult with your dermatologist for personalized advice based on your skin type and treatment history. They can provide tailored recommendations that consider your specific skin concerns and treatment goals. Remember, the skin's healing process is paramount, and patience is key when undergoing these dermatological treatments.

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