Between 5% and 15% Vitamin C is best used in concentrations between 5% and 15% and should be applied once daily after cleansing in the morning or night. Keep in mind that vitamin C is highly acidic, which may lead to skin irritation. To avoid any irritations, test a small area of your skin before applying it to your face.
What percentage of ascorbic acid is good for skin care?
Concentration: The sweet spot for the concentration level is between 10 and 20 percent. You definitely want a concentration that's higher than 8 percent for maximum effectiveness. But going over 20 percent could lead to irritation and doesn't increase its benefit.
How much ascorbic acid to add to lotion?
Mix the vitamin C powder with a serum or lotion in the palm of your hand. Research has found that for vitamin C to be beneficial, it needs to make up at least 8 percent of the solution. A concentration higher than 20 percent may cause skin irritation.
How much ascorbic acid to use?
An orange or a cup of strawberries, chopped red pepper or broccoli provides enough vitamin C for the day. The recommended daily amount for vitamin C is 75 milligrams (mg) a day for women and 90 mg a day for men. During pregnancy, 120 mg a day are recommended. The upper limit for all adults is 2,000 mg a day.
Is 10% vitamin C serum too much?
After 20% Vitamin C content, you may run into more irritation from the high concentrations without seeing much benefit in return. The most common strengths we see in products are between 5%-20%, so if you are looking for a good place to start aim for 10%-15% and see how it works for your skin.
How do you use vitamin C powder?
How to Use
- A.M. Mix 1-2 shakes of Vitamin C Booster into 2-3 pumps of a water-based serum or moisturizer. Apply to the face, neck and chest. Follow up with sunscreen.
- P.M. Mix 1-2 shakes of Vitamin C Booster into 2-3 pumps of a water-based serum, moisturizer or mask. Apply to the face, neck, and chest.