Vitamin C Serum

PSF Skincare

(17 reviews) Write a Review
Calculated at Checkout
1 FL OZ (30mL)

Looking for the best stabilized Vitamin C Serum? Your search is finally over! This 15% Vitamin C Serum with Ferulic Acid has been our best-selling product for over 10 years. This pH buffered formula scavenges and disarms free radicals which can lead to skin damage and aging while providing unparalleled antioxidant protection. Brighten and even out skin tone. Address the visible signs of sun damage, lighten age spots, sun spots and freckles. Rebuild collagen and elastin for firmer, younger looking skin. Hyaluronic Acid retains skin’s moisture and plumps up the skin to reduce the appearance of fine lines and wrinkles. Stabilized at pH buffer of 3.5. Perfect for all skin types, especially sensitive skin.


• 15% L-ascorbic acid, the chirally-correct (active) form of Vitamin C
• Nitrogen-flushed bottle keeps product fresher longer
• Stabilized and pH buffered formula is powerful yet gentle on skin (pH 3.5)
• Powerful antioxidant profile combats free radical damage
• Non-animal source Hyaluronic Acid provides all-day oil-free hydration
• Tack-free finish - instantly absorbs leaving skin smooth and clean feeling, never sticky or greasy
• Brighten complexion & even out skin tone (lighten sun spots, freckles, age spots)
• Rebuild collagen & elastin
• Perfect for all skin types, especially sensitive skin
• Fragrance-free
• Cruelty-free
• Oil-free
• Alcohol-free
• Vegan Ingredients
• Made in USA


• Stabilized Vitamin C (L-ascorbic acid & Sodium Ascorbate): Powerful antioxidant with stabilized delivery system, encourages collagen production, helps reverse sun damage, gently lightens hyper-pigmentation & age spots.

• Ferulic Acid: Powerful plant-derived antioxidant has been shown to stabilize Vitamin C and increase UV protection in skin.

• Hyaluronic Acid – Super-moisturizer & skin humectant, holds 1,000 times its molecular weight in water to provide oil-free hydration all day, while plumping the appearance of fine lines & wrinkles. Non-animal source, cruelty-free.


Apply to freshly cleansed & toned skin once daily, preferably in the AM. Apply to face, neck & décolleté. Safe for use in eye area. Follow with moisturizer and/or sunscreen. Keep bottle tightly capped. Store in a dark, cool place. Product may be refrigerated if desired. For best results, use within 6 months of purchase.

17 Reviews Hide Reviews Show Reviews

  • 5
    Vitamin C Serum

    Posted by Michelle on 30th Apr 2022

    I absolutely LOVE this serum and truly hope it will never be discontinued or placed in different packaging. I prefer the glass bottles to the air pump containers being used now with several other psf products. The vitamin C serum is a game changer for my complexion and skin tone and I try never to be without it. Thank you psf!

  • 5
    Vitamin C Serum will not disappoint

    Posted by Melissa on 2nd Oct 2019

    I just started using this product a few weeks ago and already see tremendous results! My skin is smoother and more vibrant. I love this product and can’t wait to see more positive results in my skin as a result of Vitamin C Serum!

  • 5
    vitamin C serum

    Posted by sophie mahoney on 6th Jul 2019

    I realized today as I am writing this review that I have been using PSF skincare for 6 years and still as impressed with it as ever. This product however is the only one that gives my skin trouble and cannot figure out why. It is the third time I try it and each time I end up breaking out. Maybe Vitamin C serum just doesn't agree with my skin....

  • 5
    Best Vitamin C Serum

    Posted by Lillian Esposito on 7th Mar 2019

    PSF’s Vitamin C serum is the best one I have tried. It helps keep my skin smooth and along with retin A helps keep wrinkles at bay. I receive compliments on my skin and I always recommend this product! A must for my skin routine!

  • 5
    best vitamin C on the market

    Posted by LAURIE WATKINS on 4th Mar 2019

    This stuff is the best, one of the more pure formulas on the market, and it works! I used to have some sun spots on my face and even chemical peels did not remove them. It took a long time of using this product, but those spots are gone and have never come back. It burns when I put it on, but I think that is normal. It does not cause any flare up of my rosacea. I just wish for a smaller bottle size at a lesser price, because once this is opened, I never use this whole bottle within 3 months- the amount of time it stays stable. And I use it every day, but still have a good bit left after the 3 months. I still use it, but not sure how effective it still is. I would prefer .75 ounce or even .5 ounce version. Otherwise, love this stuff!

  • 5
    PSF Vit C serum

    Posted by Teresa Meyer on 2nd Mar 2019

    This makes me a compliment magnet. I stopped using it for awhile and recently realized that I can tell the difference.

  • 5
    Best Vit. C

    Posted by Melissa on 16th Dec 2017

    I have been using this for over 10 years. It is effective and keeps my skin looking clear and glowing. Highly recommend.

  • 5

    Posted by Unknown on 18th Oct 2015

    Great stuff for skin care

  • 5

    Posted by PJ on 11th Jun 2015

    I have noticed a big difference in the hydration of my skin since using this product. Will never be without it!