Readers are always asking me for the best ways to save on beauty products, so I’ve decided to feature a slew of online coupons, rebates, and giveaways from my favorite beauty sites!  If readers enjoy it, we’ll make it a weekly feature each Sunday!

Here are this week’s best sales, deals, and giveaways:

Rebates

Sign up at eBates.com, and receive cash back when you shop online!  The cash back is accumulated now through July 30, and the check will be sent to you on or by August 15, 2012 (eBates Information Page).  The following percentages of cash back are available from the following beauty retailers now through May 28, 2012:

• MR. REBATES:  Proactiv (25%), Sheer Cover (25%), WEN (25%), Murad (18%), Beauty.com (12%), ULTA (12%), Clarins (10%), Prescriptives (10%), DermStore (10%), Elizabeth Arden (10%), Drugstore.com (10%), Folica (10%), Clinique (10%), Clarisonic (10%)

Free Shipping, Coupon Codes, Etc.

• BATH AND BODY WORKS:   20% off exclusive candles, wallflowers, body care, gifts, etc. with code FAVORITESCENTS, expires 4/29.
• Beauty.com:

• Benefit.com: Free shipping on $50+ purchases. Free international shipping with $125+ purchases.  Free chacha tint and mini moisture with $45+ orders with code CHACHACHA, 5/1 through 5/31.
• BLISS:  Free Essence 27 0.5 oz. mini with any Cosmetics 27 purchase of $100+ with codeMINIC27, expires 5/31.  Free Sisley Discovery Kit mini with $250+ Sisley purchase with codeSISKIT12, expires 6/30.
• BOBBI BROWN: Free shipping on $65+ orders. Free Plumberry Treatment Lip Shine SPF 15 with $65+ order with code PLUM11, expires 5/25, one time use.  Free Nougat Lipgloss with $65+ order with code GLOSS12, expires 6/30, one time use.
• DERMAdoctor:  Free shipping on any order over $50.  Sign up for the rewards program for up to 5% off.
• DRUGSTORE.COM:  Get 20% off Cetaphil skin care products at drugstore.com! Offer ends 05.28.2012.
• GIORGIO ARMANI BEAUTY:   Free shipping with $75+ orders + 2 samples of choice for registered members. Free shipping with any $75+ purchase with code DESIGNER10, no expiration.
• NORDSTROM:  Free shipping & free returns everyday.
• OJON: Free shipping and free returns.
• ORIGINS:  Free shipping on $50+ orders, no code necessary. Free Origins eco-friendly tote + travel-size duo of Make a Difference Hand Treatment & Peace of Mind with $30+ orders, expires 6/30.
• PHILOSOPHY:   Free shipping on $50+ orders, no code necessary.
• SAKS FIFTH AVENUE:  Coupon code IOMA2:  Free Sample of Emulsion Exfoliante Douce 1.7 oz. with any IOMA order. (Exp. 05/21/2012).  Coupon code SHISEIDO6:  Free Deluxe sample of Future Solution LX Ultimate Regenerating Serum with any $75+ Shisedo order. (Exp. 05/21/2012).
• SEPHORA:   Free Benefit Dandelion Brightening Face Powder and Lipgloss deluxe sample duo with $25+ purchase with code DANDELION, 5/15 through 5/30.  Free Sephora t-shirt with $25+ purchase with codeBEAUTEE, 5/15 through 5/30. Free Diorshow Mascara deluxe sample with $25+ purchase with code DIORLASH, 5/8 through 5/30.  Free Caudalie SOS Quenching Serum (BIs only) with $25+ purchase with code SOSERUM, 5/8 through 5/30. Free bareMineral Purely Nourishing Cream for Dry Skin with $25+ purchase with code BECREAM, expires 5/25.  Free sample of Guerlain Lip Shine in Extrait de Rose with $25+ purchase with code LIPSHINE, expires 5/22. Choose 1-4 fragrance sample bags with $25+ purchase with code 6SCENTS, expires 5/31.  Free Lancome Hypnose Instant Drama mascara deluxe sample with $25+ purchase with code DRAMA, expires 5/24.  Choose 1-2 deluxe fragrance samples with $25+ purchase with code SCENT4U, expires 5/24.  Choose 1 of 2 free Origins deluxe moisturizer samples with $25+ purchase with code EARTH12, expires 5/21.  Free Narcisco Rodriguez for Her Eau de Toilette deluxe sample spray with $25+ purchase with code 4HER, expires 5/21.  3 free Stila Eyeshadow Palette cards with $25+ purchase with code TRYSTILA, expires 5/20.  Free PTR Retinol Fusion PM deluxe sample with $25+ purchase with code PTRSERUM, expires 5/24.  Free Taylor Swift Wonderstruck Tote with purchase of 3.4 oz. EDP with code WONDER, expires 5/24.
• SKINSTORE.COM:  20% off select gift ideas under $200 with code NEW2012, expiration unknown.
• TARTE: Free shipping on $40+ orders.
• THE BODY SHOP (USA): Free Shipping on all orders over $50. (Exp. 06/30/2012)
• ULTA: $3.50 off $10+ purchase with code 72783, exclusions apply.
• YSL:  Free shipping on any order, no code necessary.

GIVEAWAYS

• Lipgloss Break
  Billion Dollar Brows Set
  Ends: June 14th
• A Diva’s Prerogative
  New Dove Clear Tone Deodorant Antiperpirant Duo
  Ends: June 12th 2012
  US only
• A Diva’s Prerogative
  Spring Mega Beauty Giveaway
  Ends June 5th, 2012
  US only
• My Newest Addiction Beauty Blog
  Minerals Mate Giveaway
  Date ending: June 3, 2012 @ 11:59PM
• myCosmeticBag
  Makeup Madness Giveaway
  Date ending: May 31, 2012 @ 11:59PM
• Stephanie Louise- All Things Beautiful
  Minerals Mate Giveaway
• The Plastic Diaries
  2nd Blogiversary Competitions Week – WIN Revlon ColorBurst Lip Butter
  International, ends June 1

Got a valid beauty coupon code, deal, or giveaway?  Share with our other readers in Comments!