This is a promotion but has contest intentions.
Full rules here:

Three ways to enter:
4. How to Enter:At the outset of the Promotion the 250,000 Red Envelopes will be randomly distributed to retail stores, the Sephora online fulfillment center, and for free method requests. Follow the directions below to receive a Red Envelope during the Promotion Period:
a. Make an In-Store Purchase: Visit a Sephora retail store in Canada during business hours and make a merchandise purchase (purchase of gift cards and services do not qualify) of at least $88 CAD (before taxes). You will need to provide your Beauty Insider account information and then While Supplies are Available, you will receive one (1) Red Envelope including a Scratch Card and the Special Offer (described below in Section 5). You are not eligible to receive the Red Envelope in conjunction with other promotional offers.
b. Make an On-line Purchase: Visit during the Contest Period, make an online merchandise purchase (purchase of gift cards and services do not qualify) of at least $88 CAD (before taxes) while logged into your Beauty Insider account and enter the promotion code LUCKYLUNAR in the promotion code box at checkout (you will not be permitted to add any other promotional codes during your purchase), and WHILE SUPPLIES REMAIN AVAILABLE, you will receive one (1) Red Envelope, including a Scratch Card and the Special Offer (described below in Section 5), which will be shipped with your merchandise purchase,
c. Mail-In Request: Request for a Scratch Card by mailing in a request. Create a self-addressed stamped envelope and hand print a request that includes your name, street address, city/town, province/territory, postal code, Beauty Insider Account email address, and date of birth and mail the request and envelope in an envelope with proper postage to Sephora LNY Envelope - Card Request, P.O. Box 246, Dept. Sephora2020, Pickering, ON CA L1V 2R4. Requests must be postmarked no later than February 7, 2020 and must be received no later than February 14, 2020. Allow approximately three (3) weeks to receive a Red Envelope by mail.
Note: Each request must be mailed separately (one (1) request per envelope). All mail-in requests become the exclusive property of Sponsor and none will be acknowledged or returned. Proof of sending or submission will not be deemed to be proof of receipt by Sponsor. Sponsor is not responsible for lost, late, incomplete, invalid, unintelligible, illegible, misdirected or postage-due entries, which will be disqualified.
Use of any automated system to participate is prohibited and will result in disqualification.
The discounts and prizes:
5. Special Offer: Red Envelopes will include a Special Promotion code. Consumers can redeem the code for an CAD$8 discount on an in-store (Canada only) or online merchandise ( purchase of CAD$30 (before taxes) or more made from January 10, 2020 at 12:01 a.m. PT through February 20, 2020 at 11:59 p.m. PT. This offer is not valid on The Ordinary and MAC Cosmetics VIVA GLAM products, in-store services, previous purchases, purchases of gift cards or eGift cards, gift wrapping, packaging, taxes, or shipping & handling charges. The code may only be used one-time. Original card (photos or copies will not be accepted) must be surrendered at time of purchase for in-store purchases. Cannot be combined with other promo codes or offers and cannot be used for purchases shipped outside of Canada. Offer has no cash value. Mail in entrants may not receive this Special Offer.6. Scratch Card Game: Scratch the middle section of the Scratch Card to reveal if you have won a prize. Of the 250,000 Scratch Cards generated, five (5) Scratch Cards will reveal a Grand Prize, two hundred (200) will reveal a First Prize and the remaining 249,795 Scratch Cards will not reveal any prize. Accordingly, the odds of winning a Grand Prize is 1: 50,000 and the odds of winning a First Prize is 1: 1,250.
7. Prize Claim Process: If your Scratch Card reveals a prize, send the original Scratch Card (you may want to make a copy of the for your records) by mail to Sephora LNY Envelope – Prize Claim P.O. Box 246, Dept. Sephora2020, Pickering, ON CA L1V 2R4. Your mailing must be post marked no later than March 31, 2020. Prize claims received after April 7, 2020 will not be processed. Include the following information in your prize claim request: your name, mailing address, date of birth and Beauty Insider email address. Within approximately 2 weeks, Administrator (HelloWorld, Inc.) will email prize claimants/potential winners with a time-limited skill-testing question. Each potential winner will be required to correctly answer the skill-testing question without any assistance by responding to the email within 3 days of the date the email was sent. If any potential winner fails to submit the original Scratch Card as directed, cannot be contacted at the provided email address, fails to correctly answer the time-limited skill testing question (if applicable), or prize is returned as undeliverable, potential winner forfeits the prize and prize will not be awarded. Unclaimed prizes will not be awarded. Prize will be fulfilled approximately 4-6 weeks after accurate completion of the skill-testing question.
8. Prizes: FIVE (5) GRAND PRIZES: A CAD$888 CAD Sephora gift card. Approximate Retail Value (“ARV”): CAD$888.

TWO HUNDRED (200) FIRST PRIZES: A CAD$88 Sephora gift card. ARV: CAD$88.