**Core Concept**
Chemical peeling is a non-invasive cosmetic procedure that involves applying a chemical solution to remove the top layers of the skin, revealing smoother and brighter skin. This procedure is used to treat various skin concerns such as hyperpigmentation, fine lines, and acne scars.

**Why the Correct Answer is Right**
Chemical peeling works by causing a controlled injury to the skin, which triggers the skin's natural healing process. This process stimulates collagen production, improves skin texture, and reduces the appearance of skin imperfections. The type and concentration of the chemical solution used determine the depth of penetration and the desired outcome.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because chemical peeling is not indicated for active acne, as it can cause further inflammation and scarring. The skin should be in a stable condition before undergoing chemical peeling.

**Option B:** This option is incorrect because chemical peeling is not a substitute for surgical excision in the treatment of skin cancers. It is not a reliable method for removing malignant lesions.

**Option C:** This option is incorrect because chemical peeling is not a suitable treatment for deep wrinkles and scars, as it only affects the epidermis and superficial dermis. Deeper wrinkles and scars require more invasive treatments such as fillers or surgical excision.

**Option D:** This option is incorrect because chemical peeling is not indicated for areas with thick skin, such as the palms and soles. The skin in these areas is too thick for the chemical solution to penetrate effectively.

**Clinical Pearl / High-Yield Fact**
Chemical peeling is not a one-size-fits-all treatment and should be tailored to the individual's skin concerns and skin type. It is essential to perform a thorough skin analysis and history before undergoing chemical peeling to ensure optimal results and minimize potential complications.

**Correct Answer:** A.