Radiofrequency microneedling is a popular treatment for improving skin texture and reducing the appearance of acne scars. The effectiveness of the treatment can depend on several factors, including needle depth, the device used, and individual skin characteristics. Here’s a breakdown of the considerations: Needle Depth: Typically, deeper needle penetration (ranging from 0.5 mm to 3.0 mm) is used for treating deeper scars like pitted acne scars. Shallower depths, such as 0.3 mm, are generally less effective for targeting deeper skin issues but can be beneficial for more superficial treatments or for those with sensitive skin. Device and Technology: The effectiveness also depends on the specific radiofrequency microneedling device used. Some devices are designed to deliver radiofrequency energy more efficiently even at shallower depths, which can still provide beneficial results in terms of collagen stimulation and skin texture improvement. Treatment Goals and Skin Type: The choice of needle depth may vary based on your skin type, sensitivity, and the specific goals of the treatment. Some practitioners may start with a conservative approach to gauge skin response, especially if it's your first treatment. Follow-up Treatments: Often, a series of treatments is recommended to achieve optimal results. If you feel that the initial treatment was too conservative, you might discuss with your esthetician or dermatologist about adjusting the depth in future sessions. Consultation with a Dermatologist: If you have concerns about the effectiveness of your treatment, consider consulting with a dermatologist. They can provide a personalized assessment and recommend an appropriate treatment plan, potentially using deeper needle settings if necessary. Overall, while a depth of less than 0.5 mm may be less effective for deep acne scars, it doesn't mean the treatment was without benefit. Discussing your treatment goals and options with a qualified professional can help ensure you achieve the best possible outcomes for your skin.