Skin DIY

DIY Vitamin C serum

Vitamin C ( L ascorbic acid) is a powerful antioxidant. Facial serum made with vitamin C not only reduces wrinkles, discoloration, and boosts collagen production, but also works well when you have dry eczema. It gently removes the dead skin cells and allows skin healing nutrients to penetrate the epidermis to reach the dermis, enabling the healing process to start.

A peer reviewed publication by Dr. Pinnell, S.R., et al., Topical L-Ascorbic Acid Percutanous Absorption Studies studied the effectiveness of L ascorbic acid as an antioxidant to protect the skin from environmental factors such as sunlight, pollutions etc. It is determined that “L-ascorbic acid must be formulated at pH levels less than 3.5 to enter the skin. Maximal concentration for optimal percutaneous absorption was 20%.” (1)

For vitamin C serum to be effective, it needs to have 3.5 pH level or less. Many Vitamin C serum products on the market actually have higher than 3.5 pH, which renders them ineffective. Making it yourself will guarantee the pH level and you can adjust the concentration easily.

High end vitamin C serum costs an arm and a leg. You can purchase pure vitamin c powder ( L ascorbic acid) inexpensively and make it at home. Vitamin C oxidizes quickly when in contact with air, light, heat and water, so make a small amount every 2 weeks and keep it in the fridge.

If you have never used vitamin C serum before, start with a 5% and gradually builds up to 20%. 5% is quite effective for eczema skin.


pure vitamin C powder

distilled water

I usually purchase 365 (Whole Foods brand) Vitamin C power. You can use any vitamin c powder. Just make sure that it is 100% vitamin c, no other ingredients.


Using a kitchen scale, weigh out 40 grams of distilled water in a 2oz glass spray bottle.

Using a funnel, add 2 grams of vitamin C powder into the bottle. This will make 5%. For 10%, it will be 4 grams of vitamin C.

Shake well until the powder dissolved. Label the bottle with the name and the date. Keep it in the refrigerator. Discard after 2 weeks and make a new batch.

Spray on the area with the Vitamin C serum. If you are using it for the eczema, the skin will sting a little bit, and/or the area may look worse, but it will go away very quickly, and it will stop the itching. Follow up with a skin healing skin serum as described in my Natural Eczema Skin Care book on Amazon. In this book, I introduce skin nourishing and healing herbs, hydrosols and essential oils for eczema skin. Not only they are good for eczema, they are also excellent for your skin at any age. If you have Amazon prime, you read my book free!

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