 Monobenzone applied topically completely removes pigment in the long term and vigorous sun-safety must to be adhered to for life to avoid severe sun burn and melanomas.People using monobenzone without previously having vitiligo do so because standard products containing hydroquinone or other lightening agents are not effective for their skin and due to price and active ingredient strength.However, monobenzone is not recommended for skin conditions other than vitiligo.