Paula's choice Resist C15 Super Booster
Works for
Anti-agingAscorbic acid, Ferulic acid + 1 moreWorks well
“An advanced yet gentle Vitamin C serum that instantly and visibly brightens skin while helping improve the look of uneven tone, texture, firmness, and other visible signs of ageing.”
This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains ascorbic acid.
These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: ferulic acid.
Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.
MoisturizingGlycerin, TocopherolWorks
“Clinically proven to boost hydration**”
This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": glycerin.
When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. If the air is dry, humectants can speed up the moisture loss from the skin. This is why it is a good idea to use another product on top of this one to help "seal in" the moisture (look for ingredients like dimethicone, squalane, oils and butters).
Anti-oxidationSide benefit · Ascorbic acid, Ferulic acid + 2 moreWorks well
This product contains antioxidants (ascorbic acid, ferulic acid) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).
Can it cause trouble?
Irritancy5 flagged ingredientsLow risk
ComedogenicClean of flagged comedogenic ingredientsNone flagged
User reviews
4 of 4 community members would buy it again.
This is my first L-AA product. I use it after BHA/AHA at night because 1) low pH exfoliators improve vitamin C’s efficiency and 2) low pH vitamin C applied at night penetrates deeper than high pH products and stimulates collagen synthesis (which is best done at night) and 3) the vitamin c builds up on your skin and still acts as an antioxidant for the next day (incidentally vitamin C stays in the skin for days so I only do this every other day)
I let it sit on my face for as long as I have time before doing the rest of my routine (which involves products that support vitamin C/collagen production) and what can I say I think the results are amazing!
Ingredients
Filter by role to see what each ingredient is doing.
Water~40–60%
Ascorbic acid~6.8–10.2%
- Irritation risk
- High
The most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging
More about Ascorbic acidDipropylene glycol~3.9–5.8%
- Irritation risk
- Low
Helps to dissolve other ingredients in a formulation. Slows down the rate of product drying
More about Dipropylene glycolPropanediol~2.8–4.2%
- Irritation risk
- Low
Acts as a solvent for other ingredients. Speeds up the absorption of other ingredients into the skin
More about PropanediolGlycerin~2.2–3.2%
- Irritation risk
- Low
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
More about GlycerinEthoxydiglycol~1.5–2.3%
Sodium hydroxide~1.4–2%
Ppg-26-buteth-26~1.2–1.8%
Peg-40 hydrogenated castor oil~0.95–1.4%
- Irritation risk
- Medium
Helps oil and water mix together
More about Peg-40 hydrogenated castor oilBisabolol~0.5–1.2%
- Irritation risk
- Low
An active component of chamomile plant that historically has been used to calm down irritated skin. A recent study shows that bisabolol indeed can have some anti-inflammatory effect on skin, even though conclusive data is lacking. Bisabolol has a sweet floral scent and can be added to products for its aromatic properties
More about BisabololFerulic acid~0.45–1.05%
- Irritation risk
- Low
A potent anti-oxidant that has been shown to be effective in neutralizing free radicals in skin. There seem to have a synergetic effect of ferulic acid, vitamin E and C, meaning that when the ingredients are used together, they enhance each other's ability protect the skin against free radicals. Ferulic acid also helps to stabilize other ingredients - including vitamins C and E. It can help to even out the skin tone. Ferulic acid is approved for use as a sunscreen ingredient in Japan in concentrations up to 10%
More about Ferulic acidSodium phytate~0.35–0.85%
Decylene glycol~0.2–0.75%
- Irritation risk
- Low
Used to creat a nice product texture and support penetration of other ingredients
More about Decylene glycolTocopherol~0.15–0.6%
- Irritation risk
- Low
Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself
More about Tocopherol1,2-hexanediol~0.1–0.4%
Sphingomonas ferment extract~0.05–0.3%
- Irritation risk
- Low
Phenoxyethanol~0.05–0.25%
- Irritation risk
- Low
A preservative. It helps prevent bacterial growth in cosmetic products
More about PhenoxyethanolIngredient list view
Water, Ascorbic acid, Dipropylene glycol, Propanediol, Glycerin, Ethoxydiglycol, Sodium hydroxide, Ppg-26-buteth-26, Peg-40 hydrogenated castor oil, Bisabolol, Ferulic acid, Sodium phytate, Decylene glycol, Tocopherol, 1,2-hexanediol, Sphingomonas ferment extract, Phenoxyethanol
Compare prices
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Worth comparing, line by line.
Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.
| Paula's choiceResist C15 Super BoosterYOUR PRODUCT | Fig. 1Vitamin C 15% Refillable Treatment Serum to Brighten and Smooth | SkinCeuticalsPrevent Serum 10 | Dr Dennis GrossVITAMIN C AND LACTIC 15% FIRM AND BRIGHT SERUM | |
|---|---|---|---|---|
| Match | — | 97% | 96% | 95% |
| Price | $59.00 | $38.00−$21.00 | $104.19+$45.19 | $58.31−$0.69 |
| Shared key ingredients | — | 3 of 4 | 3 of 4 | 3 of 4 |
| Key difference | — | Linoleic Acid | Sodium Hyaluronate | Adenosine |
| Irritancy | Low | Low | Low | Low |
| Drying alcohol | — | — | — | — |
| View product | Shop | Shop | Shop |
More alternatives: Formulyst Active Serum – Vitamin B, C, E, Ferulic + NiacinamideRegimen Lab Vitamin X
Product summary
"Paula's choice - Resist C15 Super Booster" is effective for: Moisturizing and Anti-aging
Ingredient callouts
- This product also contains Vitamin C (Ascorbic Acid) 5.40% - 8.10% It can be helpful in stimulating collagen production, neutralizing free radicals in skin and improving pigmentation marks. We recommend to use up this product quickly after opening: Ascorbic Acid degrades fast when it gets in contact with air and light. The moment the product turns orange, it is a sign that a significant share of the vitamin C in it is no longer effective.
- Peptides (palmitoyl tripeptide-5 0.50% - 1.20%). Peptides are a very big group of ingredients. They all consist of a different combination of aminoacids. Our skin produces Peptides naturally. Some of them work as natural antibiotics, promote wound-healing and production of collagen. The scientists are still studying how effective the topical application of Peptides is, but it is very likely that theynare helpful. Peptides might be able to support skin barrier restoration and even have an anti-aging benefit. At the very least, they certainly help attract water to the skin and support the hydration in this way.
- Humectants (mannitol 1.30% - 2.00%, glycerin 3.60% - 5.50% and sodium hyaluronate 0.40% - 0.95%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.
What our users say
Based on 4 reviews 100% recommend this product- When it comes to comedogenicity, all of the reviewers (4) say that it does not clog pores.
- When it comes to using this sunscreen under makeup, two out of three reviewers say that it works well under makeup, but the third user had an issue with pilling.
Price
The product retails from 41.65£ up to 68.50£ in the United Kingdom, from 44.00$ up to 63.50$ in the United States, for 63.20A$ in Australia and for 75.00CA$ in Canada.
For a detailed price comparison: click here.
Sources cited in this review
Every concentration estimate and effectiveness label is anchored to one of these 10 studies and safety reviews.
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