October Prime Day (technically called Prime Big Deal Days) is happening now through Oct. 7, offering discounts on thousands of beauty products and exclusive to Prime members. Some of the top newly-added deals on skin care and cosmetics include 25% off Medicube’s viral Jelly Cream, 20% off Sol de Janeiro’s Brazilian Bum Bum Cream and $100 off Dyson’s hair tools and stylers.I frequently cover shopping events like Amazon Prime Day, Black Friday and Cyber Monday as a writer for Jattvibe Selected, so I know how to find deals that are actually worth buying. I spent weeks combing through thousands of discounts to find the best October Prime Day beauty deals — each one I recommend below is highly rated and 20 percent off or more, as well as at its lowest price in at least three months. I’ll frequently update this list throughout Prime Big Deal Days with editor-approved picks.Want more from Jattvibe Selected? Sign up for our newsletter, The Selection, and shop smarter.Best October Prime Day beauty and wellness dealsBest Prime Day K-beauty dealsLowest price everMedicube’s Booster Pro X2 has seven modes and six intensity levels per mode, so you can customize your treatment based on certain skin issues, like puffiness, dry skin and sagging, according to the brand. It also has a dual option that allows you to use multiple modes at the same time.Medicube’s Jelly Cream has become my go-to night cream for its hydrating formula and brightening ingredients. It includes hydrolyzed collagen to help with skin fitness and elasticity, along with niacinamide to brighten dark spots and uneven texture.Best Prime Day makeup and cosmetic dealsEyeliner can elevate any makeup look, and Urban Decay’s creamy, smudge-proof formula lasts for up to 16 hours of wear, according to the brand. It’s available in classic black, as well as matte, shimmer, metallic and glitter finishes.Tarte’s viral plumping lip gloss includes hyaluronic acid to hydrate the lips, along with maracuja extract to keep them soft, according to the brand. Reviewers love the gloss’ smooth application, and its range of nude and pink shades.This color-correcting foundation from Laura Geller is formulated to adjust for redness, dark spots and uneven skin tone as you blend it in, according to the brand. It gives buildable coverage and includes vitamin E to soothe the skin, along with jojoba oil for hydration.Best Prime Day skin care dealsThis Paula’s Choice exfoliant has been one of my favorites for years now. It has salicylic acid to help remove dead skin and brighten your skin tone. I love that the formula is gentle enough that I can use it multiple times a day.You can use these cellulose fiber cloths to help dry and cleanse your skin, since the material is designed to be gentle and support your skin’s barrier, according to the brand. Each pack includes 50 single-use towels.Lowest price everThis lightweight moisturizer has a non-greasy finish that hydrates without leaving skin looking oily, according to the brand. It’s fast-absorbing and includes moisturizing ingredients like hyaluronic acid, shea butter and olive oil.Best Prime Day body care dealsThis body wash has niacinamide, vitamin E and vitamin C to help brighten and soothe your skin while cleansing, and has notes of eucalyptus and lavender, according to the brand. It’s also safe for all skin types and is noncomedegonic, meaning it won’t clog your pores.This viral body cream can help visibly tighten your skin, according to the brand. It has squalane and cupuaçu butter to help lock in hydration, along with a warm scent of vanilla, pistachio and salted caramel.Salt and Stone’s natural deodorants are aluminum-free and have odor-blocking magnesium instead, making it great for sensitive skin. Plus, they apply clear, so you won’t have to worry white streaks on your clothes.Best Prime Day oral care dealsThese are our favorite whitening strips because they’re easy to apply and don’t slip off while you wear them, says Jattvibe Selected commerce editor Cory Fernandez. Each pack includes 20 45-minute treatments and two 1-hour treatments. I always reach for Colgate’s Optic White toothpastes when my teeth are in need of a whitening refresh, and I love that the formula doesn’t irritate my sensitive teeth and gums. It has 5% hydrogen peroxide to help whiten teeth, according to the brand.Best Prime Day hair care dealsLowest price everLowest price everAmika’s dry shampoo helps to absorb oil between washes, leading to less buildup in your hair, according to the brand. The formula includes gentle AHA to refresh the scalp, and has a fruity, warm scent of pink grapefruit and vanilla.Dyson’s advanced hair dryer uses nural sensors to optimize your styling routine for your hair type, and includes a scalp protect mode that automatically adjusts to keep the heat at a comfortable level, according to the brand. It also includes attachments for combing, diffusing and more.You can use this lightweight foam to add volume to your hair without any greasiness, residue or heaviness, according to the brand. It’s free of drying alcohols and salts, and includes bamboo extract to help strengthen your hair.Here are the best Prime Big Deal Days beauty sales to know about. Keep in mind, not every item from a brand is discounted as described below.Up to 50 percent off MedicubeUp to 55 percent off Tarte makeupUp to 25 percent off Aestura skin careUp to 30 percent off EucerinUp to 38 percent off MethodUp to 40 percent off LaneigeUp to 30 percent off OlaplexUp to 30 percent off Jattvibeday RileyUp to 30 percent off Marc Jacobs fragrancesUp to 40 percent off Laura GellerUp to 30 percent off HanyulUp to 40 percent off GlossierUp to 30 percent off Amika haircareUp to 53 percent off Sol de JaneiroUp to 30 percent off Redken hair careUp to 40 percent off Elemis skin careUp to 40 percent off Oars + AlpsWalmart: Up to 40 percent off during Walmart DealsTarget: Up to 40 percent off during Target Circle DealsNordstrom: Up to 60 percent off fragrance, skin care, beauty and moreUlta: Up to 20 percent off your purchase, plus up to 50% off hair care, beauty, skin care and moreSephora: Up to 50 percent off select beauty, skin care, fragrance and moreWhy are these October Prime Day beauty and wellness deals worth it?Prime Big Deal Days historically offers Prime members some of the lowest prices of the year on beauty, and these limited-time deals only last through October 7. All of my recommendations above are based on Jattvibe Selected’s previous reporting. I prioritized including award-winning products and those our team has tested.I evaluated the quality of these deals by running them through price trackers like CamelCamelCamel, and I only included those that:Are at their lowest price in at least three monthsAre 20% off or moreAre highly rated with at least a 4.0-star average rating from hundreds of customers on AmazonWhy trust Jattvibe Selected?I’m an associate reporter for Jattvibe Selected who has covered deals and sales for over three years. I also cover topics like the best K-beauty products, the best night creams, and the best braiding hair. Prior to Prime Big Deal Days, I previewed a list of deals from Amazon and sorted through them to find worthwhile sales you should know about.Catch up on Jattvibe Selected’s in-depth coverage of tech and tools, wellness and more, and follow us on Facebook, Instagram, X and TikTok to stay up to date.