Vitamin c của kiehls

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A potent vitamin C serum formulated with 12.5% vitamin C and Hyaluronic Acid that visibly diminished fine lines in just 2 weeks. Paraben-Free. Alcohol-Free.Mineral oil-free. Dye-free.


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Powerful-Strength vitamin C Serum

A potent vitamin C serum formulated with 12.5% vitamin C and Hyaluronic Acid that visibly diminished fine lines in just 2 weeks. Paraben-Free. Alcohol-Free.Mineral oil-free. Dye-free.


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What It Is

A vitamin C serum that boosts radiance, helps firm skin and visibly diminishes fine lines, wrinkles and pores for smoother-looking skin. Formulated with 10.5% L-Ascorbic Acid and renewable 2% Ascorbyl Glucoside plus Hyaluronic Acid, this patented, water-free concentrate is a Kiehl’s customer favorite. Paraben-free, alcohol-free, mineral oil-free, and dye-free.

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Helps visibly reduce lines & wrinkles while helping firm skin over timeSmoothes skin’s texture and helps visibly minimize the appearance of poresAntioxidant Pure vitamin C penetrates skin’s deeper surface layers và remains effective in skin for up khổng lồ 6 daysProvides visible results in just 2 weeksDermatologist-tested for safetyFormulated for all skin types, including sensitive skinMade with Recyclable Packaging
L-Ascorbic Acid, also known as Pure vi-ta-min C, is a highly efficacious antioxidant known for its ability to improve the appearance of skin aging. In addition lớn antioxidant protection, Pure vitamin C is known khổng lồ help boost radiance, improve texture và visibly reduce the appearance of lines, wrinkles and other signs of aging.
vitamin Cg, or Ascorbyl Glucoside, is a vi-ta-min C derivative that activates once absorbed into the upper layers of the skin’s surface. With antioxidant benefits, this form of vi-ta-min C is frequently used in anti-wrinkle skincare products to lớn help reduce facial lines over time. The form of vitamin C within our formula is synthesized via green science, making it a renewable ingredient.
This fast-absorbing khung of Hyaluronic Acid acts like a sponge và draws moisture into skin’s surface layers và expands as it absorbs. Hyaluronic Acid is known lớn help smooth & plump and is commonly used in skincare products intended lớn visibly reduce facial lines và refine texture.
After cleansing, apply two pumps of vitamin C serum over entire face, avoiding the eye areaAs it blends into skin, you may experience a feeling of warmth as the formula activatesAvoid the eye area; in case of tương tác with eyes, rinse them immediately

When to Use

Apply morning và night, after cleansing và toning and before your moisturizer
Kiehl’s became pioneers in vitamin C skincare when we first stabilized vi-ta-min C in our efficacious, water-free concentrate. Our patented vi-ta-min C serum is highly stable ensuring that our formula is concentrated with an efficacious amount of vi-ta-min C while still being suitable for sensitive skin. Within our formula, our vitamin C penetrates skin’s deeper surface layers — up khổng lồ 10 layers deep!
How quickly can I expect to see results from Kiehl’s vi-ta-min C Face Serum?

Immediately: vi-ta-min C Serum Visibly Improves Skin Texture and Boosts Radiance

In 2 weeks: vitamin C Serum Reduces Lines và Wrinkles

In 4 weeks: vi-ta-min C Serum Visibly Reduces Deep-Set Wrinkles

*Results from an 8-week clinical study. Photos not retouched. Individual results may vary.


Our formula is clinically demonstrated khổng lồ help reduce the appearance of lines and deep-set wrinkles, while boosting radiance and helping even skin texture over time. Formulated with antioxidant Pure vitamin C, which is a powerful skincare ingredient that begins working immediately, our vitamin C serum is potent, yet gentle enough for sensitive skin và formulated to lớn enhance the efficacy of vitamin C benefits with continued use. Our formula is specially designed khổng lồ stabilize vitamin C. It’s true, Pure vitamin C can degrade when exposed khổng lồ water, but our water-free formula helps khổng lồ keep the high concentrations of Pure vitamin C stable and effective.


From boosting radiance to lớn helping diminish the signs of aging khổng lồ antioxidant protection, vitamin C is a highly efficacious skincare ingredient with a wide range of benefits. It’s a popular ingredient with proven results & lots of science & research to lớn back up its benefits for your skin. One of the best ways to incorporate this tried-and-true ingredient is in a vitamin C serum, like our Powerful-Strength vi-ta-min C Serum. These concentrated complexion boosters provide a targeted treatment to help your skin look brighter, smoother, & healthier.


There are actually several different forms of vi-ta-min C that are used in skincare formulas. Vitamin Cg, or Ascorbyl Glucoside, is a potent derivative of vi-ta-min C that provides antioxidant protection và helps khổng lồ minimize the visible signs of aging. Our vitamin C serum is formulated with 2% vi-ta-min Cg lớn help enhance the efficacy of vitamin C benefits over time. While they have overlapping benefits, Pure vi-ta-min C (L-Ascorbic Acid) is absorbed into skin và starts working immediately upon liên hệ while vi-ta-min Cg (Ascorbyl Glucoside) activates once absorbed into the upper layers of skin to lớn boost vitamin C activity over time. Kiehl’s vi-ta-min C serums and formulas effectively incorporate a size of topical vitamin C that is carefully selected lớn maximize its targeted efficacy.


We always recommend using SPF protection to help keep skin protected from UVA/UVB rays và pollution, which can cause the first signs of aging. The antioxidant benefits of vi-ta-min C can complement the protective effects of SPF. In fact, it is beneficial to apply vitamin C before you head outdoors. Topical vitamin C has been demonstrated to decrease generation of UVA-induced free radicals và can bolster skin’s antioxidant defenses with vi-ta-min E regeneration.


Our vi-ta-min C formula is designed for all ages & helps to lớn visibly treat fine lines và wrinkles, uneven skin texture và the appearance of pores. Vitamin C levels deplete in skin over time, so using skincare products with vi-ta-min C is important as you grow older. However, our formula is still effective to use before you start to see fine lines và wrinkles. Our vitamin C serum helps boost radiance and provide antioxidant protection to help defend skin from early signs of aging.

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Our vitamin C serums are carefully formulated & tested to lớn be gentle enough for sensitive skin. Kiehl’s Powerful-Strength Line-Reducing Concentrate is formulated with Fragmented Hyaluronic Acid to lớn help reduce the appearance of deep wrinkles and even skin texture for all skin types, including sensitive skin. When first starting with a vitamin C serum, we recommend using once a day & building gradually to twice daily usage. If you have specific concerns, however, consult your dermatologist before incorporating new skincare products into your routine.


While this potent khung of vitamin C penetrates the skin’s surface layers to help visibly even skin tone và enhance clarity, we recommend our Clearly Corrective Dark Spot Solution for a targeted approach khổng lồ treating hyperpigmentation and dark spots.


After you cleanse and tone your skin, apply 1-2 pumps of our vitamin C serum. Smooth it on morning và night before your moisturizer lớn help lock in the skin benefits of your vitamin C serum. While vitamin C help defends skin during the day, it is also an effective ingredient khổng lồ use in your nighttime skincare routine. For best results, use your vitamin C serum twice a day, morning và night.


As with products formulated with active ingredients, when first beginning lớn use a vitamin C serum, start with a once-daily application, & gradually build to lớn twice a day. With regular recommended usage in the morning và at night, our 50ml formula should last approximately 1 month. Always consult with your dermatologist when incorporating new skincare products into your routine.


Because L-Ascorbic Acid serums can degrade in heat và humidity, putting yours in the medicine cabinet could cause it to thua trận its effectiveness. While many L-Ascorbic Acid serums come in dark-colored or amber bottles that can help protect the formula from light, you should still be sure lớn keep your products away from direct sunlight.


While every ingredient we use in our products is evaluated for safety, we vị not specifically test our products on women who are pregnant or nursing. Kiehl"s ensures there is substantial information supporting the safety of our products when used as directed by consumers. However, as there could be certain ingredients that physicians may not recommend for use during pregnancy và nursing, we always recommend that you discuss this with your physician and follow their advice.


True lớn our founding family’s mission, we strive khổng lồ improve the unique of the communities we serve by reducing our environmental impact, formulating responsibly, and supporting charitable causes. This formula is made with:

Ultra Facial Cleanser

A gentle facial cleanser for all skin types. Paraben-free và synthetic fragrance-free.


Powerful-Strength Dark Circle Reducing vitamin C Eye Serum

A dark circle eye cream formulated with vi-ta-min C that helps visibly reduce blue & brown dark circles. Fragrance-free


Powerful-Strength vitamin C Serum

A potent vi-ta-min C serum formulated with 12.5% vitamin C & Hyaluronic Acid that visibly diminished fine lines in just 2 weeks. Paraben-Free. Alcohol-Free.Mineral oil-free. Dye-free.


Super Multi-Corrective Anti-Aging Cream for Face & Neck

A supercharged anti-aging face and neck cream clinically proven lớn reduce wrinkles, even skin tone, và smooth skin’s texture. Paraben-free and Mineral-Oil-free.


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