Paula's Choice SkincareRESIST C15 Super Booster
0.67 fl. oz. for $49
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Brand Overview
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Paula's Choice RESIST C15 Super Booster is a water based 15% ascorbic acid formula marketed for use in combination with your non-SPF moisturizers or serum. The good news is that it’s well suited to address a variety of skin concerns, and its water-like texture makes it suitable for any skin type.

Packaged in a dropper with an internal air-restrictor—a step above the average dropper container—this blends well into your go-to serum or non-SPF moisturizer. You can absolutely mix this into any product that isn't a sunscreen, actually, so feel free to experiment with mixing the C15 Super Booster into your favorite leave-on AHA or BHA exfoliant, your toner or other products.

At a 15% concentration, ascorbic acid can make a significant improvement in the appearance of an uneven skin tone and restore skin. (Skin Research & Technology, 2008 and Experimental Dermatology, 2003 and The Journal of Pathology, 2007).

Also included in the RESIST C15 Super Booster is sodium hyaluronate, which is the salt form of hyaluronic acid and optimal for use in topical skincare products. Hyaluronic acid helps hydrate skin, soothes and provides antioxidant defense (Journal of Clinical and Aesthetic Dermatology, 2012 & Journal of Drugs in Dermatology, 2012).

You'll also find the antioxidant ferulic acid, vitamin E and the peptide acetyl octapeptide-3—with such a mix of anti-agers, this is a well-rounded solution that is ideal for those who would like to "boost" the results of their skincare routine.

The RESIST C15 Super Booster earns our highest rating for its powerful, well-formulated combination of beneficial ingredients and because it is suitable for any skin type. We should note that Paula's Choice recommends this be used within three months, which is absolutely accurate. At such a high concentration of vitamin C, stability can become an issue if you keep it for longer than that period after opening.

  • Light-as-water texture suitable for all skin types.
  • Helps replenish and restore skin.
  • Improves environmental defense of skin, and soothes sensitivity.
  • Can improve the appearance of unevenness.
  • None.
Last Updated:08.30.2016
Jar Packaging:No
Tested on animals:No
Community Reviews
RESIST C15 Super Booster is a concentrated, light-as-water liquid solution designed to supercharge your Paula's Choice serum, or it may be used alone. A blend of 15% stabilized vitamin C (l-ascorbic acid), vitamin E, ferulic acid, and peptides improve visible signs of aging for brighter and younger-looking skin.
Water, Ascorbic Acid (vitamin C/antioxidant), Ethoxydiglycol (hydration), PPG-26 Buteth-26 (texture-enhancing), PEG-40 Hydrogenated Castor Oil (texture-enhancing), Tocopherol (vitamin E/antioxidant), Ferulic Acid (antioxidant), Sodium Hyaluronate (hydration/skin replenishing), Acetyl Octapeptide-3 (skin-restoring), Glycerin (hydration/skin replenishing), Panthenol (skin replenishing), Sodium Metabisulfite (stabilizer/antioxidant), Triethanolamine (pH adjuster), Phenoxyethanol (preservative).
Brand Overview

Paula's Choice Skincare At-A-Glance

Paula's Choice Skincare was established in 1995 when best-selling beauty author and consumer advocate Paula Begoun (known as The Cosmetics Cop) decided to develop her own products.

As a natural evolution of Paula's personal mission to help consumers find the best products for their skin, the line has grown into an extensive range of skincare and makeup products that are formulated to meet the needs of almost every skin type and skin concern imaginable, from acne to wrinkles.

Paula’s Choice Skincare relies on published research where available to discover the best ingredients for skin. Stable packaging is another feature of the brand, using innovative, opaque, and air-tight or air-restrictive components that keep antioxidants and other light- and air-sensitive ingredients from breaking down. The line is also 100% fragrance-free.

Disclosure: Paula Begoun is the creator of Beautypedia and founder of Paula's Choice Skincare products. Reviewing thousands of skincare and makeup products over the past 30 years, both on this site and in her best-selling books, Paula's mission has always been to help consumers find the best products possible for their skin. The Beautypedia Team proudly and unequivocally maintains this commitment. In addition, The Beautypedia Team reviews all products using the same rating standards and criteria, whether it is a Paula's Choice product or another brand.

Why are Paula's Choice Skincare products rated highly? The Paula's Choice Skincare Team would not launch a product unless it was worthy of a high rating from The Beautypedia Team. Paula and The Beautypedia Team were researching and reviewing products long before Paula's Choice Skincare ever existed and consumers were constantly requesting a skincare brand that met all of Beautypedia’s criteria. As a result, The Paula's Choice Skincare Team was created and uses the same research and criteria to formulate Paula's Choice products as The Beautypedia Team uses to review products.

For more information about Paula's Choice, call (800) 831-4088 or visit www.paulaschoice.com.

About the Experts

The Beautypedia and Paula’s Choice Research teams have one mission: To help you find the best products for your skin, whether they’re from Paula’s Choice or another brand. By combining efforts, we’re able to share scientific research and remain committed to the highest standards based on our decades of experience objectively reviewing thousands upon thousands of skincare and makeup formularies in all price ranges.

Beautypedia cuts through the hype to bring you product insights and recommendations you won’t find anywhere else!