The 7 Best Vitamin C Serums of 2021


Ingredients: The most important ingredient in Vitamin C Whey is Vitamin C, but other ingredients in the product can further enhance the benefits. "Vitamin C works best when combined with vitamin E and ferulic acid, which together enhance the antioxidant effects and stability of this ingredient," says Dr. Alam.

Also, pay attention to the order of the ingredients in the product. The order shows how common this ingredient is in serum. So you want vitamin C, which is most commonly available in the form of L-ascorbic acid, to be in the top 5 ingredients on the label.

Type and concentration of vitamin C: Vitamin C exists in many forms, but L-ascorbic acid is the most abundant. "If it is the active ingredient, the serum should contain 10 to 20 percent L-ascorbic acid and have an acidic pH of 2 to 2.5 for optimal absorption and results," says Dr. Alam.
If you have more sensitive skin and tend to react to skin care products, then it may be best to choose a serum with a lower concentration of L-ascorbic acid, about 10 percent, or a product that contains a derived from vitamin C that is' milder than L-ascorbic acid, such as magnesium ascorbyl phosphate or 6-ascorbyl palmitate, which have a neutral pH of 7, ”says Dr. Alam.

Uses: While vitamin C serums help with a variety of skin conditions, it is important to choose a product that is tailored to your specific skincare needs. For example, some serums may contain ingredients that irritate your skin, so if you have sensitive skin, consult a dermatologist to determine the best vitamin C serum for you.

Packaging: Vitamin C is a sensitive ingredient, so it is important to pay attention not only to the type of jar the serum is in, but also to where you store it on a daily basis. 'Vitamin C is sensitive to light, heat and air, so it should be stored in a sealed bottle with UV protection in a cool, dark place, ”says Dr. Alam. If the product comes in a lighter bottle, the vitamin C is likely to be compromised by light and not working as expected.

Potential Interactions: When trying a new product, there are always concerns about your reaction to your skin and other serums and moisturizers in your daily skincare routine. "Allergic reactions to skin care products are common and usually manifest as redness and itching," says Rebecca Bakst, MD, a board certified dermatologist at Baxt Cosmedical in New Jersey. "If this happens, stop taking the product immediately, use cold compresses, hydrocortisone cream or ointment, mild cleansers, and if that doesn't work, see a board-certified dermatologist."
When trying a new serum, Dr. Alam recommends applying the product to a small area of skin first. If no side effects are observed, switch to more extensive use of the product several days a week before switching to daily use. If you notice any side effects, you should stop using the product, ”he says.
If you are experiencing a negative reaction, consider choosing a lower serum vitamin C concentration or changing other foods in your daily routine that may be sensitizing. A dermatologist can be your best source of information on why your skin is reacting and what steps you can take to prevent future reactions.

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