Here is the Ulta Promos in August 2017. There is no gurantee that Ulta will do the same in the August 2018.

8/2 – Free 4 pcs Urban Decay Gift with any $50 purchase (beauty break)
8/7 – Members get 2X points and Platinum members get 3X points on all purchases
8/7 – FREE weekender tote w/any $30 fragrance purchase
8/8 – Free full size Skinfix Coconut Water Hydrating Mist with any $25 purchase
8/9 – Free Tarte 3pc Gift with any $60 purchase (beauty break)
8/9 – One day only Flash Sale
8/10 – 8/19 – 20% off entire purchase, including prestige brands and fragrance
8/11 – FREE 27 pc skincare beauty bag with any $60 Skincare purchase
8/11 – One day only Platinum Perk – Mally Beauty Bounce Back to You! 7 Pc Color Collection on sale for $40 (reg. $67.5)
8/13 – Free 2pc Viva La Juicy Gift with any $40 purchase
8/14 – Free 4 pcs IT Cosmetics gift with any $60 purchase (beauty break)
8/16 – Free 3pc Coach Fragrance Gift with any $75 purchase (beauty break)
8/17 – Free Beauty Bag with any $30 purchase
8/21 – Ulta Platinum Appreciation Day! See all the contents here.
8/23 – Free 4pcs Stila Gift with any $50 purchase (beauty break)
8/24 – Free 20 pcs Beauty Bag with any $60 purchase
8/27 – 9/2 – 20% off entire purchase with generic code, excluding prestige brands and fragrances
8/28 – Ulta Platinum Perk Day!
8/30 – 6 pcs Lip Sampler with $60 purchase
8/31 – FREE 19pc Work Beauty Bag with any $75 purchase