Use the official trial for 30 days. If the tool saves you 5+ hours of manual skin retouching per month, buy it. Your computer (and your conscience) will thank you.
To run effectively, your hardware should meet the following: AI skin retouching plugin for Adobe Photoshop - Retouch4me retouch4me skin tone v1019 preactivated ha work
To maximize the efficiency of Retouch4me Skin Tone v1.019, it should be used at a specific stage of your editing pipeline: Use the official trial for 30 days