This A-Lister-Loved Face Serum Remains PCA Skin’s No. 1 Seller Nearly 10 Years After Release
Celebrities and their facialists swear by the brand's professional-grade, science-backed formulas.
By Erin Lassner
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Erin Lassner
E-Commerce Writer
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April 21, 2026 11:20am
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courtesy of PCA Skin
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There’s no shortage of viral beauty brands on the market, but only a fraction of social media hotshots manage to stand the test of time. PCA Skin, by contrast, has never lost its luster. Founded in 1990 by esthetician Margaret Ancira, the science-backed beauty brand is a pioneer in the professional-grade skin-care space, creating formulas that push beyond protection — they correct.
Since its founding 35-plus years ago, PCA Skin has also garnered quite the celebrity following. Actress Gabrielle Union, who credits the brand for her skin “transformation,” was first introduced to the brand by esthetician to the stars Candice Miele, whose client list also includes Kendall Jenner, Hailey Bieber, Bad Bunny, Kim Kardashian and Lewis Hamilton, to name a handful. Miele has been a vocal supporter of PCA Skin for years, considering its formulas a non-negotiable for her A-list clientele.
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While inventory ranges from cleansers and toners to lip treatments and face masks, PCA Skin has become almost synonymous with its cult-favorite Hyaluronic Acid Boosting Serum. First launched in 2017, the award-winning, multi-tasking formula quickly became PCA Skin’s hero product for its intense hydrating and plumping results, both instant and long-term.
PCA Skin Hyaluronic Acid Boosting Serum
Both 1 fl oz and 3 fl oz containers available.
Through a unique combination of ingredients, the corrective treatment deeply hydrates the face and neck area. To get a bit more granular, hyaluronic acid and sodium hyaluronate work together to prevent water loss and boost moisture, while HA-Pro Complex supports the skin’s natural hyaluronic acid levels for long-term texture smoothing and plumping. And since PCA Skin relies on clinically-backed research and science to develop its safe and effective products, the hard data speaks for itself. In a six-week clinical study, the Hyaluronic Acid Boosting Serum was found to increase overall skin hydration by 55 percent, improve skin plumping by 60 percent and improve fine lines by 31 percent. These longer-term effects are on top of the instant hydration and smoothing noted upon initial application.
PCA Skin recommends a five-step regimen for ultimate hydration: cleanse, tone, correct, hydrate and protect. The Hyaluronic Acid Boosting Serum is the third step in the lineup: correction. Ahead of the serum, the brand suggests starting with its Creamy Cleanser ($42), followed by the Hydrating Toner ($48). Then, morning and night, apply the Boosting Serum to the entire face and neck. Lastly, use PCA Skin’s rich moisturizer, the Collagen Hydrator ($63), followed by sunscreen during the day, specifically the Hydrator Plus Broad Spectrum SPF 30. ($52).
Shop the full hydration-promoting regimen below, and visit PCAskin.com to browse more of the brand’s recommended daily routines organized by skin concern (i.e. acne, sensitivity and hyperpigmentation).
step 1
PCA Skin Creamy Cleanser
7 fl oz.
step 2
PCA Skin Hydrating Toner
7 fl oz.
step 3
PCA Skin Hyaluronic Acid Boosting Serum
1 fl oz or 3 fl oz.
step 4
PCA Skin Collagen Hydrator
1.7 oz.
step 5
PCA Skin Hydrator Plus Broad Spectrum SPF 30
1.7 oz.
Related: Kate Hudson-Backed Symbiome Skin and Ashu’s Matcha Malibu Create Limited-Release Face Mask
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