Here's how to enter for a chance to win.

Credit: L'Oreal Paris

Who doesn't love a good giveaway? If you color your hair at home, this one's for you!

We're giving away 50 boxes of L'Oréal Paris Superior Preference Mousse Absolue. Entry is super simple and fast: Follow us on Twitter (@goodhealth) and reply to the contest tweet when it posts at 8:30 p.m. Eastern TONIGHT for a chance to win! It doesn't get any easier than that. Good luck!

Contest rules below:

Open only to those to whom this Tweet has been addressed, provided that entrant is a legal U.S. resident age 18 or older at the time of entry. Limited to one entry per Twitter account. The first 50 to reply to the original tweet will receive one L'Oréal Paris Superior Preference Mousse Absolue which each has an approximate retail value (ARV) of $14.99. Sponsor(s) not responsible for any damage to computer equipment related to participating in this promotion. Items being distributed are not transferable or redeemable for cash. Consumers who obtain items are responsible for any and all taxes. Promotion begins at 8:30 EST on 09/02/2014 and ends at 11:59 P.M. ET or EST on 09/03/2014. SPONSOR will contact the winners by a Twitter direct message on or before 09/04/2014. Employees of Health Magazine, Time Inc., L'Oréal USA or any related companies are not eligible to enter or win. The winner(s) may be required to complete an affidavit of eligibility and waiver of liability before prize(s) can be awarded. Sponsor(s) reserve the right to disqualify any entry for any reason, including but not limited to suspicion of fraud. Void where prohibited by law.