5 C BARRIER SERUM
45 mL
A serum for multiple skin troubles including spots, sagging, acne mark and redness.
Serum packed with 5 types of Vitamin C Derivatives, ageing care ingredients and skin barrier ingredients for multiple skin concern approach including spots and dullness, sagging pores, lack of firmness, prone to acne and vulnerable skin condition like redness.
CONTAINS 5 TYPES OF HIGHLY PENETRATING VITAMIN C DERIVATIVES
Contains 5 premium quality ultra-penetrating form of vitamin C derivatives※ that have 3 different solubilities in a unique balance.
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Conventional Vitamin C is water-soluble type that usually breaks down before it can effectively penetrate and work inside skin. Additionally, vulnerable skin that is ‘prone to stinging’ and ‘prone to stain’ are unable to use vitamin C containing skincare.
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Tsuda Cosmetics 5C Barrier Serum is formulated with 5 types of vitamin C derivatives including water soluble, oil-soluble and hybrid vitamin Cs that effectively reaches every layer of the skin to perform its function and is gentle on all skin condition without worrying about sensitivity.
※ 3-glyceryl ascorbic acid, ascorbyl propyl hyaluronate, 3-laurylglyceryl ascorbic acid, disodium isostearyl ascorbyl phosphate, ascorbyl tetrahexyldecanoate (skin conditioning ingredients)
AGEING CARE
Features 5 supporting ingredients ※, including inositol from sugar beets and Akebia extract from the Akebia fruit, to provide anti-ageing care and deep moisturisation for firm, radiant skin.
※Retinol palmitate, fullerene, soybean sprout extract, akebia extract, inositol (moisturizing ingredients)
5 BARRIER CARE INGREDIENTS
Enriched with 5 types of barrier-care ingredients that protects skin from external stressors like pollution and UV rays.
※Ceramide NG, phytosterols, phytosteryl macadamiate, cholesterol, cholesteryl hydroxystearate
PASSED NON-COMEDOGENIC TEST
It has passed a third-party non-comedogenically test. Thus, the product is unlikely to cause acne.
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In fact, it is suitable for use on acne to prevent acne mark.
FREE OF 5 TYPES OF SKIN-STRESSORS
Free of parabens, antibacterial agents, surfactants, synthetic fragrances, and synthetic colorants.
CLINICAL TRIAL RESULTS:
Redness and Dullness
Calms inflammation and brightens complexion after 5 days of use.

Redness and Sagging
Calms inflammation and face shape becomes more defined after 3 months.

Spots and Stain
Complexion is brighter and stain cluster is lighter after 6 months.

Fine lines
Fine lines under eyes and around nose area are less visible and redness around nose disappears after 6 months.

CLINICAL RESULTS WITH MULTIPLE PRODUCTS:
Products: Booster Conditioner + 5C Barrier Serum + Skin Barrier Balm

Results: Improvement in severe acne, subside of inflammation and smoother skin after 2 days of use.

Products: Booster Conditioner + 5C Barrier Serum + Skin Barrier Balm

Results: Improvement in acne and smoother skin after 2 days of use.

ABOUT TSUDA COSMETICS:
Tsuda Cosmetics is a doctor’s cosmetics founded by Dr Setsuko Tsuda, a renowned dermatologist in Japan who have developed each skincare product based on her experience after consulting more than10,000 patients.
Based on the concept of『Skincare for skin of 100-year life span and is good for skin the more it is applied.』, Tsuda Cosmetics Skincare is suitable to improve various skin troubles and it is suitable for users who are concerned about ageing signs.
USAGE SEQUENCE:
