A Glycolic Acid 30% Peel is a type of chemical exfoliation used to improve skin texture and appearance. Glycolic acid is an alpha hydroxy acid (AHA) derived from sugarcane, and it works by dissolving the bonds between dead skin cells, making it easier for them to slough off. Here are some key points:

1. Strength and Application : A 30% concentration is quite potent, usually recommended for those who have experience with chemical peels or have been advised by a skincare professional. It’s important to follow the instructions carefully and do a patch test if you're trying it for the first time.

2. Benefits : It can help reduce signs of aging, improve skin texture, reduce hyperpigmentation, and enhance overall skin radiance.

3. Pre  and Post Care : Before applying the peel, you should cleanse your skin thoroughly and avoid using other exfoliating products. After the peel, it's crucial to use a gentle moisturizer and broad-spectrum sunscreen as your skin will be more sensitive.

4. Side Effects : Possible side effects include redness, irritation, peeling, and increased sensitivity. It's essential to avoid sun exposure and harsh products immediately after the treatment.

5. Professional vs. At Home Use : While some people use glycolic acid peels at home, it's often safer and more effective to have them done by a skincare professional who can tailor the treatment to your skin type and needs.

If you’re considering using a glycolic acid peel, it might be a good idea to consult with a dermatologist to ensure it's appropriate for your skin type and to get personalized advice.