C-Deep Vitamin C Serum GOW Reviews

4.8 Rating 76 Reviews
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C-Deep Vitamin C Serum contains Tetrahexyldecyl Ascorbate, a highly stable, fast absorbing vitamin C derivative which provides antioxidant protection against oxidative damage from UV and pollutants. Tetrahexyldecyl Ascorbate serum penetrates deeper than comparable Vitamin C serums to reduce the appearance of fine lines and wrinkles, as well as firm, even-out the skin tone and brighten your complexion overall. 
This Vitamin C face serum is super-lightweight, non-irritating and easily absorbed, is 100% stable, meaning it doesn't breakdown over time like other Vitamin C creams and serums. 
Just above the deepest layer of our skin lies a rich oil barrier. Traditional L-Ascorbic Acid vitamin C serums are water-soluble and therefore unable to penetrate this layer. Garden of Wisdom's C-Deep Vitamin C Serum contains Tetrahexyldecyl Ascorbate, a form of Vitamin C that has been modified to be soluble in oil or lipids and enters the skin faster and deeper than any other form of Vitamin C.
With its unique formulation, C-Deep serum effectively and efficiently boosts and stimulates the skin's collagen production - an essential protein that gives the skin its youthful firmness and elasticity. In addition, Tetrahexyldecyl Ascorbate stimulates the skin's Hyaluronic Acid production, helping to hydrate and plump skin cells and reduce the appearance of fine lines and wrinkles. The result is a noticeably more youthful complexion.
In addition, C-Deep Vitamin C contains thiotaine, the bio-identical lab form of L-ergothioneine, an amino acid found in mushrooms with an impressive antioxidant capacity helping to protect the natural antioxidants in skin from degrading. L-ergothioneine also inhibits and enzyme that stimulates melanin production and so also plays a role in fading skin discolourations. 
C Deep Vitamin C Serum benefits:
Reduces the impact of pollution and sun exposure.
Balances uneven tone.
Supports collagen manufacture and protects collagen to prevent ageing skin.
Helps Improves skin’s plumpness and elasticity.
Increases hydration levels.
Garden of Wisdom's C-Deep Vitamin C Serum is stable, safe, effective and suitable for all skin types including sensitive skin. Like all Garden of Wisdom serums, it is non-toxic and free from Alcohol and Silicones. Serum bottles are made of PET and are 100% recyclable.
How to use: Apply one to two pumps of vitamin c oil for the face and neck, morning and evening after cleansing. Leave it to absorb before applying other oil-based serums or moisturisers such as the age-defying Fulvic Face Cream. If using water-based serums, then apply C-Deep Vitamin C Serum after their use. If using in the day follow with an SPF. Build your complete Garden Of Wisdom skincare regimen here.
Do not use on irritated skin and discontinue if irritation occurs. Avoid contact with eyes. If contact occurs, rinse with warm water. If using in the day, follow with an SPF.
Squalane Oil, Tetrahexyldecyl Ascorbate 3%, Thiotaine 2%, Optiphen
At what stage should I apply this GOW C-Deep Vitamin C Serum?We suggest that you apply a sufficient amount of vitamin C serum to cover the face onto cleansed, dry skin, ideally at night.  This should be the last step on clean skin after other products are used. 
How should I store GOW C-Deep Vitamin C Serum?In order to preserve this serum, we suggest you store in a cool dark place. 
Can I use GOW C-Deep Vitamin C Serum in the day?If using in the day follow with an SPF. 
I cannot seem to get the product out?  It will not pump.  Why is this?Sometimes the pumps can get an air bubble or blockage, and if you bang the container really hard on a hard surface a few times this normally clears it. 
What is the difference between Vitamin C 23% & C-Deep?You cannot directly compare the two vitamin C serums as one contains the acidic form of vitamin C, L-ascorbic acid and the other contains a derivative of vitamin C called Tetrahexyldecyl ascorbate.  Vitamin C 23% Serum works to quickly brighten and freshen skin appearance whilst also working to enhance collagen synthesis.  C-Deep contains the non-acidic vitamin C which works gradually to lighten and freshen skin's appearance but it does penetrate deeper and so it works quicker to enhance collagen synthesis - it is suitable for all skin types including sensitive skin.  C-Deep is based in squalane oil.  Vitamin C 23% is more of a serum and is not oil based. 
Is GOW C-Deep Vitamin C Serum suitable for sensitive skin?This should be suitable to use on sensitive skin. 
Why is C-Deep oily?C-Deep is suspended in Squalane, a light oil that is easily absorbed into skin.
Can I use GOW C-Deep Vitamin C Serum if I am pregnant?It is generally considered safe for use during pregnancy and whilst breastfeeding.  Please consult your physician prior to use if concerned. 
If pregnant, or breastfeeding consult your physician prior to use.  While we work to ensure that product information on our website is correct, on occasion manufacturers may alter their ingredient lists.  Actual product packaging and materials may contain more and/or different information than that shown on our website.  All information about the products on our website is provided for information purposes only. We recommend that you do not solely rely on the information presented on our website.  Please always read the labels, warnings, and directions provided with the product before using or consuming a product.  In the event of any safety concerns or for any other information about a product please carefully read any instructions provided on the label or packaging and contact the manufacturer.  Content on this site is not intended to substitute for advice given by medical practitioner, pharmacist, or other licensed health-care professional. Contact your health-care provider immediately if you suspect that you have a medical problem.  Information and statements about products are not intended to be used to diagnose, treat, cure, or prevent any disease or health condition.  The customer reviews are only moderated for offensive content – they should not be regarded as medical or health advice; no reliance should therefore be placed on them; and they are not endorsed by Victoria Health. If you have any health problems or questions regarding the suitability of any product please contact a health professional. Products are not medicinal unless otherwise stated. Victoria Health accepts no liability for inaccuracies or misstatements about products by manufacturers or other third parties. This does not affect your statutory rights. Store in a cool dry place out of sunlight.  For external use only, unless specified.

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We believe the products we recommend will make a positive difference to your health and wellbeing and we travel the world to source the most pioneering and cutting-edge supplements currently available.

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Gill Sinclair & Shabir Daya MRPharmS

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Jacqueline H
Verified Reviewer
I apply this in the mornings after cleansing and about 5 minutes or so before applying Hyaluronic Acid serum (giving the Vit C chance to be absorbed) and it leaves my skin soft and glowing.
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We are so pleased to hear that this has been so beneficial for you. Thank you for taking the time to share, - VH
I like this serum as it makes my skin glow and it doesn’t have the usual vit c smell. I use it every morning under my SPF and I am confident that it’s offering extra protection against the sun
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Thank you for taking the time to share this great review - VH
I have been using the vit c serum for a while now and really like it. I think all of the GOW products I am using are amazing. The vit c serum goes on well. I leave it for a few minutes before applying my moisturiser. I am 59 and have slightly dry skin with some slight pigmentation. One larger area on my left cheek has faded dramatically since using the serum. For me this product is a winner.
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We are so pleased that you have noticed an improvement, thank you so much for sharing this great feedback – VH
A wonderful Vitamin C Serum which is very effective but also kind to sensitive skin.
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That's great to hear! Thank you so much for taking the time to leave a review. – VH
Great for day time under make up . Get lots of nice comments about hoe fresh my skin looks
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That's great to hear! Thank you so much for taking the time to leave a review. – VH
The vitamin C again does what it says it does.
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That's great to hear! Thank you so much for taking the time to leave a review. – VH
I love this! I read about it in the weekend read, during lockdown, and as I have Uber sensitive skin, I’m always reluctant to change my regime. However, this is now a daily must have, for me. It leaves my skin radiant and glowing healthily. I would also like to point out that the customer service offered by the VH team is exemplary. The service is super quick with deliveries the next day. Any queries are dealt with speedily and efficiently and you are made to feel like one of the family This company goes above and beyond on all levels and deserves every success.
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Thank you for taking the time to share your review. This is great to read and delighted to learn it's been helpful for you. – VH
Really love this product and making a visible difference to skin - it is absorbed easily.
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Thank you for taking the time to share your review. This is great to read and delighted to learn it's been helpful for you. – VH