1 Vitamin E - It doesn't directly reduce melanin production but it is effective in reducing hyper pigmentation caused by melanin over production.  Use a good SPF protection to all the exposed parts before going out in the sun and keep ypurself covered (It may get hot though...so upto you!!)
The HPV vaccine protects preteens, teens, and young adults from Human Papillomavirus (HPV). Research shows that when boys and girls are vaccinated early - at 11 or 12 - they're better protected from the serious health problems HPV can cause, including certain cancers and genital warts.
Two HPV vaccines (Gardasil and Gardasil 9) protect males against most genital warts and anal cancers. HPV vaccination is recommended for 11- and 12-year-old boys, and for men 13 through 21 years old who did not get any or all of the three recommended doses when they were younger.