I’m looking for licensed dermatologists, skincare experts, and beauty professionals to share insights on face masks and ingredient effectiveness. Please answer: • What are the most common types of face masks (clay, sheet, gel, peel-off), and how do they differ? • Which key ingredients in face masks are actually beneficial (hyaluronic acid, charcoal, niacinamide, clays, AHAs)? • What ingredients should people avoid based on skin type (sensitive, acne-prone, dry skin)? • What should consumers look for when choosing a face mask based on ingredients? Please include your full name, job title, company/clinic name, credentials, website or LinkedIn, and a short bio (2–3 sentences). Ideal respondents include dermatologists, cosmetic chemists, estheticians, skincare experts, and beauty industry professionals. Responses should be concise (100–250 words).