There is a link to the legal disclaimer and that appears to be legit....
Always Feel Your Best" Official Rules
NO PURCHASE NECESSARY TO ENTER OR WIN. A PURCHASE OR PAYMENT OF ANY KIND WILL NOT IMPROVE YOUR CHANCES OF WINNING. THIS PROMOTION IS OFFERED ONLY TO LEGAL RESIDENTS OF THE UNITED STATES. VOID WHERE PROHIBITED.
1. Eligibility: The "Always Feel Your Best" Sweepstakes ("Sweepstakes") is open to legal residents of the continental U.S. 13 years of age or older prior to May 15, 2006. Employees of Always, ("Always or "Sponsors"), Juice Wireless, Inc. or Hearst Communications, Inc., ("Sponsors"), and the immediate families (parent, child, or sibling), or household members of any of the above are not eligible.
2. How to Enter: Send a text message to number 57748 from your mobile phone with favorite number form the "Girlfriends Guide to a Happy Period" beginning at 11:59:59 pm EST on April 3, 2006 through 11:59:59 pm EST May 15, 2006 ("Sweepstakes Period"). Once you enter, you will receive a Short Message Service (SMS) confirmation on your cell phone. You will also receive one automatic bounceback SMS (text) message to your phone during the promotional period. Entrants will be charged for sending, receiving and for using text messaging according to their carrier's service plan. You may also enter during the Sweepstakes Period by visiting marieclairereader.com and filling in required entry information. Entries made by Internet will be declared made by the authorized account holder of the e-mail address submitted at time of entry. "Authorized account holder" is defined as the natural person who is assigned to an e-mail address by an Internet access provider, online service provider or other organization (e.g., business, educational, institution, etc.) responsible for assigning e-mail addresses for the domain associated with the submitted e-mail address. All web entries must be received by May 15, 2006. One entry per day per person, regardless of method of entry. Sponsors not responsible for garbled, lost or misrouted or scrambled transmissions or incomplete entries; failed computer hardware or software, telephone, server or other technical failures. Sponsors may prosecute for any attempt to deliberately damage any Web site or for fraudulent activities to the full extent of the law. All federal, state and local laws and regulations apply.
3. Drawing: The odds of winning depend on the number of eligible entries received. One (1) winner will be selected by random drawing on or about May 22, 2006, and will be notified by telephone or e-mail by May 29, 2006. Participants agree to be bound by these rules and the decision of the Sponsors, whose decision is final and binding in all matters relating to the Sweepstakes.
4. Prize: One grand prize winner will receive a $500 gift card from a spa or salon near winner's residence (retail value of $500). Winner may be asked to return an affidavit of eligibility/publicity release within 14 days of notification or an alternate winner will be selected. Prize may not be cashed, transferred or exchanged. Sponsors reserves the right to substitute a prize of equal or greater value. Any taxes payable on the prize are the sole responsibility of the winner.
5. General Rules: Entrants that the Sponsors may use (unless prohibited by law) their name, address, photograph or likeness for advertising, trade and promotional purposes without further compensation, and further agree that Sponsor will have no liability of any kind arising in connection with the Sweepstakes or from the awarding, acceptance, possession, or use or misuse of any prize. All federal, state and local laws and regulations apply.
6. To receive the winner's name, or a copy of these Official Rules, send a stamped, self-addressed envelope by June 30, 2006, to "Always Feel Your Best" Sweepstakes Winners List, c/o Marie Claire Magazine, 1790 Broadway, 18th Floor, New York, NY, 10019.