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Tiam My Signature C Source

USD $25.65

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Containing a whopping 20% of pure Vitamin C, this skin brightening serum delivers a multitude of benefits to the complexion, working to regenerate skin, balance skin tone and firm for a healthier complexion.

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Tiam My Signature C Source (30ml) 


Tiam My Signature C Source contains 20% pure vitamin C and delivers a multitude of benefits to the skin, regenerating, brightening and balancing your skin tone.



This simple, easy-to-use Tiam Vitamin C serum combines 20% L-ascorbic acid (the most well-researched form of Vitamin C) with natural antioxidants to help prevent premature signs of aging. It works to protect, soften and hydrate skin.

Vitamin C is one of the most important skincare products you can use, as it brightens, gets rid of blackheads, improves PIH scarring, helps produce collagen for plumper and firmer skin, reduces fine lines and protects the skin against free radicals.


Suitable for all skin types

Reduces fine lines and tightens pores

Aids in boosting collagen production

Fades acne scars and lightens dark spots left behind by acne

Evens skin tone and makes skin brighter while reducing redness

Assists with exfoliation and blackhead removal for smooth skin


This Tiam Vitamin C Serum contains:

Pure Vitamin C 20% – protects skin from damaging free radicals and helps improve collagen production while addressing uneven skin tone, hyperpigmentation and age spots.

Phenoxyethanol – Excellent moisturizing ingredient.

Ubiquinone – has antioxidant benefits.

IMPORTANT: Upon opening, you may notice a fizzing sound (like opening a bottle of soft drink) and the product may bubble up. If you let it sit for a while the bubbles will disappear. Given the nature of Vitamin C, Tiam My Signature C Source may crystallize around the opening of the bottle. This does not alter the quality of the product.


Want even more brightening? Combine Tiam’s Vitamin C Serum with Tosowoong Spot Whitening Vita Clinic Cream. 



  • It is best to keep this product out of direct sunlight and high temperatures, as this will damage the product. To keep the product fresh longer, store it in the refrigerator.
  • When you use this product, please avoid using any product that contains high levels of AHA, BHA and Retinal.

STYLE STORY – Your Style, Your Story 


  1. Apply after cleansing and toning.
  2. Use 2~3 drops and smooth in all over face.
  3.  Focus intensively on areas with pigmented or wrinkled lesions.
  4. After applying Vitamin source C20, apply moisturizer.


TIA’M is a go-to favorite Korean beauty brand. With products containing active ingredients targeted for results, Tiam creates real solutions for skincare concerns.

TIA’M means “a twinkle in the eye when you meet someone for the first time” in Persian. TIA’M uses safe and natural ingredients to produce effective and affordable products that improve skin from within.


Water, Ascorbic Acid (20%), Alcohol, Sodium Lactate, Butylene Glycol, Glucose, PEG-60 Hydrogenated Castor Oil, 1,2-Hexanediol, Sodium Hyaluronate, Bis-PEG-18 Methyl Ether Dimethyl Silane, Xanthan Gum, Diethoxyethyl Succinate, Ammonium Acryloyldimethyltaurate/VP Copolymer, Carthamus Tinctorius (Safflower) Flower Extract, Citrus Aurantium Dulcis (Orange) Peel Oil, Glycerin, Zinc PCA, Panthenol, Niacinamide, t-Butyl Alcohol, Camellia Sinensis (Green Tea) Leaf Extract, Beta-Glucan, Ubiquinone, Phenoxyethanol