Beauty - Category Questions

• What is the safest and most effective way to remove whiteheads from my face at home without causing scarring or spreading bacteria? Should I use extraction tools strips or chemical exfoliants?
• What are some effective and safe methods to remove facial hair at home without causing irritation or ingrown hairs? I'm considering threading sugaring or depilatory creams.
• I have zinc oxide powder for skincare. How do I safely mix and apply it on my face—can I blend it with a moisturizer or rose water and what are the benefits for sun protection or acne?