Supplier of: skin actives, cosmetic ingredients, cosmeceuticals, active ingredients, and skin care ingredients, for DIY skin care and cosmetics, and homemade skin care products.
Reviews
I am 69 and I have used this product for two years almost every day at a high dose, adding it to my antioxidant day cream, with excellent results. For me it has a very high quality and effectiveness: reduction of wrinkles, hydrated skin, unified color without blemishes ... A product of 10, the same score that I give to John for the quality of the products he sells, his excellent description / use and the bibliographic contribution.En .. ...»
María Jesus
Tried this on my week-old rash from flea bites. Got an almost instant relief and rash healed in 2 days. Tried it on my daughter who has eczema for a very long time. The rashes calmed down after a few days and her skin is now healing well. Really great product. Just put in order for another jar.... ...»
Eliz
This is great stuff. I add it to my liquid face soap and it does an excellent job in preventing acne and gently exfoliating the skin... ...»
Marie
Really loving this product. I make the best Centella toner and most concentrated ever. 2 g of centella extract dissolved in 10g of alcohol(you have to stir a lot) plus 88 grams of water and you get a very concentrated toner. Creams, toners, ampoules... all have only 0,1% of triterpenes, this toner i make have 1,4%. I am loving it, will see the results. .. ...»
Francisco
It is true, this product does leave the skin silky smooth! I can highly recommend using it in your masks... ...»
Mati Fuller
Just recently ordered this and LOVE! Green Tea EGCG truly is one of the most fantastic skincare actives out there. Very difficult to find good quality product (90%) and even harder to actually solubilize it! Love that it comes in pre-dissolved solution. I enjoy adding it at 1% (so 11% sol) to my serum formulations containing Niacinamide 5% + NAG 3%. Excellent for oily acne prone skin. *Only gripe... because the Pre-Dissolved Solution is SO heavy in propanediol (10 parts Propanediol for 1 part E.. ...»
Victor
Wonderful base cream! Only multi-lamellar structured cream I've found on the market. Cream itself is lightweight (no oil) yet very conditioning/hydrating. Easily accepts water-soluble active ingredients as well as oil-soluble ones. I've even pushed the additional ingred % up to 20 (meaning 80% this cream, 20% added) without any separation issues. Ideal base cream for delivering actives. Personal favorite recipe calls for 5% straight Grapeseed Oil with 5% SebumREG oil active + Panthenol 1% + E Ac.. ...»
Vic
excellence product, very good and made my skin soft and smooth just like baby's skin. Thank you john.. ...»
nky
Im 45 years old; average looking skin for my age. Applied a small pea sized amount of Sea Kelp Bioferment to my face full strength in the am after washing my face of previous night makeup.; let face "dry". Then aplied my foundation as always. Noticed my thick, heavy foundation applied more easily and smooth. Keep in mind this is DAY TWO of me using this. TWO women at work ( separate departments) commented how wonderful my face looked! One specifically came up to me and asked what I was.. ...»
Jessie Sandford
The Pre-dissolved solution is excellent. Ferulic Acid is an amazing skincare ingredient (potent antioxidant, protects other sensitive antioxidants from light degradation, UV protection) but is absolutely ineffective if it isn't solubilized correctly. Makes adding to any Serum Base or w/o emulsion easy. Love using it (at 6%; so active 0.5%) with the Resveratrol Fluid (10%; active 1%) and Green Tea Extr for potent nighttime brightening treatment... ...»
James
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Green Tea Polyphenols

Green tea is one of the richest source of polyphenols – phytochemicals that are very beneficial for the human body, including our skin. Besides ECGC (epigallocatechin-3-gallate), green tea has numerous other polyphenolic compounds with strong antioxidant, anti-inflammatory and protective properties. Research on Green Tea Polyphenols (GTPP) showed that their anti-oxidant potency sometimes surpasses Vitamin C, vitamin E and beta-carotene. GTPP provide efficient protection against UV radiation and fight photo-aging. Furthermore, in topical application, green tea has anti-inflammatory properties that along inhibiting sebum production makes GTPP a great addition in anti-acne formulations. The anti-inflammatory properties are also useful in other skin conditions such as rosacea and dermatitis. Last, but not least, GTPP has anti-viral and anti-bacterial properties. With such versatility, green tea polyphenols are a great ingredient for a wide array of DIY formulations.

Key benefits of Green Tea Polyphenols in Skin Care

  • Anti-acne [8,9]
  • Anti-oxidant [2, 3, 7].
  • Lightening and brightening [4,10]
  • Moisturizing and hydration [1, 14]
  • Oil/sebum control [8,9]
  • Sun damage protection [4,5,6]
  • Sun damage repair [6]
  • Treat hyperpigmentation [4,10]
Product Code: BulkActives
Assay: 98%
CAS#: 989-51-5
Net weight: 5g / 0.18oz & 150g / 8.82oz
Availability:
Standardized Powder 5g - Options In Stock
Standardized preDissolved solution 150g - Options In Stock
Price: $4.10


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About Green Tea Polyphenols in DIY Skin Care


Polyphenols are micro-nutrients (phytochemicals) that are naturally found in plants. They are linked to numerous health benefits because of their anti-oxidant, anti-inflammatory and protective actions. There are hundreds (over 500) phytochemicals that fall in the polyphenol category. They can be sub-divided in categories such as: phenolic acids, flavonoids, lignans and stilbenes – all with proven action and benefits on human health.
            Green tea (Camellia Sinensis) is one of the richest sources of polyphenols available.  A 2011 study showed that dietary consumption of green tea improves skin hydration, skin elasticity, TEWL and overall skin health [1].

            Besides the dietary intake, research showed that topical use of polyphenol enriched formulations is efficient in addressing several skin conditions and also maintaining a young looking, healthy skin.

            Green tea is one of the most popular DIY skin care ingredient because it’s ECGC (epigallocatechin-3-gallate) content. ECGC is also a catechin – which belongs to the polyphenol group. However, what is less known but very relevant to skin care is that green tea has a high polyphenolic content besides ECGC.

            There are several studies that focus on the benefits of green tea for the skin. Research showed that phenolic acids have superior anti-oxidant activity comparing to vitamin C, E and beta-carotene [2, 3].

            Both in vitro and in vivo studies showed that polyphenols, especially flavonoids from the green tea have photo-protective effects [4, 5]. Another study showed that because of their antioxidant properties green tea polyphenols (GTPP) show protection against UV harmful effects. Topically applied green tea extract showed reduction in redness, erythema, DNA damage, radical oxygen species (ROS) formation, and carcinogenesis [6].

            GTPP are also efficient in addressing skin aging – especially photoaging – this because of its strong anti-oxidant properties. Polyphenols fight free radicals – which are responsible for promoting DNA oxidation. GTPP inhibit collagenase activity in two distinct ways. Furthermore, they are free-radical scavengers, metalloproteinase and collagenase inhibitors and boost collagen biosynthesis rate. This translates in skin aging & photoaging prevention [7].
            Research assessing green tea in anti-acne topical application (3% tea extract) showed statistically relevant drops in sebum production after 8 weeks utilization. GTPP show both sebosuppressive (sebum production inhibiting) and anti-inflammatory effects [8, 9].

            GTPP also exhibit skin lighting properties, as research shows. One of the green tea polyphenols – ellagic acid (EA) - in particular showed strong anti-oxidative properties and tyrosinase inhibition. This – through the process of chelation – reduces the tyrosinase activity and inhibits melanocytes proliferation [4, 10].

            Tea polyphenols have also been validated as effective against a wide range of viruses such as Epstein-Barr, adenovirus and influenza. ECCG also inactivated the Herpes Simplex virus. The anti-viral properties of polyphenols are linked to their capacity to bind to the viral capsule, changing the dynamics of the plasma membrane [7, 10].

            Last, but not least, GTPP showed anti-inflammatory properties in both in vitro and in vivo studies. One of the main mechanisms is the inhibition of arachidonic acid conversion into proinflammatory agents [11]. When applied topically, the polyphenols from green tea are helpful in addressing several inflammatory conditions of the skin, including acne, dermatitis, and rosacea. [12]

GTPP have antioxidant, anti-inflammatory, immunomodulatory and photoprotective action. They hold mechanisms that influence biochemical processes – both in digestive and topical formulations [13].

            Researchers also found that GTPP in topical formulations in cosmetics improves skin elasticity, prevents excessive TEWL and increases skin moisturization [14]. Because of their strong anti-oxidant properties GTPP are also a great adjuvant in complex formulations and enhance the effects of other active ingredients, through a synergic effect.

            Concluding, there are overwhelming benefits in using green tea in topical formulations. The GTPP are potent antioxidants and also have anti-inflammatory and anti-viral effects. Furthermore, they have great skin compatibility and are easy to include in DIY formulations. The only remaining thing is to make sure you use a safe, high-quality source for your ingredients.
 
NOTE: To assist you with solubility issues, we now also sell Green Tea Poyphenols in a standardized  pre-dissolved solution. Just add the liquid to your cream and mix well.
 

Green Tea Polyphenols Standardized Powder

Assay: 98% Polyphenols 50% EGCG
CAS#: 989-51-5
INCI: Camelia Sinensis Extract
Appearance: dark red/brown powder
Solubility: water, ethanol, 1,3-Propanediol
Suggested percentage: 1% to 3%

Storage: Store in cool and dry place. Keep away from direct strong light and heat.
Country of origin: China

Green Tea Polyphenols Standardized Pre Dissolved Solution - 10%

Assay: 9.8% polyphenols, 5% EGCG
CAS#: 504-63-2, 989-51-5
INCI: 1,3-Propanediol, Camelia Sinensis Extract
Appearance: liquid

Solubility: add to cream
Suggested percentage: 11 to 60%

Storage: Store in fridge, do not freeze.
Country of origin for raw material: China
Country of manufacture: Taiwan
[1] "Green Tea Polyphenols | Skin | Life Extension". Lifeextension.Com, 2019, https://www.lifeextension.com/Newsletter/2011/5/Green-Tea-Polyphenols-Protect-And-Benefit-Skin/Page-01.
[2] King A., Young G, Characteristics and occurrence of phenolic phytochemicals. Journal of the American Dietetic Association, 8, 1999:213
[3] Wealth of India – First Supplement Series. National Institute of Science and Communication (CSIR), Delhi 1 A-C, 2000: 195-208
[4] Soriania M, Rice-Evans C., Tyrella RM. Modulation of the UVA activation of hem oxygenase, collagenase and cyclooxygenase gene experession by epigallocatechin in human skin cells. FEBS 439; 1998, 253-257
[5] Katyar S., Perez A., Mukthar H., Green tea polyphenol treatment to human skin prevents formation of ultraviolet light b-induced pyrimidine dimers in DNA. Clinical Cancer Research, 6, 2000, 3864-3869
[6] Yusuf N., Irby C., Katiyar S, Elmets C. Photoprotective effects of green tea polyphenols. Photodermatol Photoimmunol Photomed, 23, 2007, 48-56
[7] Rajbhar K.. "Tea Polyphenols For Skin Care". Research Journal Of Topical And Cosmetic Sciences, vol 6, no. 1, 2015, p. 1. Diva Enterprises Private Limited, doi:10.5958/2321-5844.2015.00001.1.
[8] Park Y., Lee C., Efficacy of safflower on the acne skin and its aplication for facial cleansing biomedical material.  Journal of Korean Chemical Society.55 (3), 2011, 400-404
[9] Yoon J., Kwoon H., Min S., Thiboutot D., Suh D., Epigallocatechin-3-gallate improves acne in humans by modulating intracellular molecular targets and inhibiting P.acnes. the Society for Investigative Dermatology. 133, 2013. 429-440.
[10] Kumar S. Singh N., Shweta A. Green Tea Polyphenols: Versatile Cosmetic Ingredient. IJARPB. 2(3), 2012, 348-362
[11] Andujar I., Recio M, Giner R., Rios J. Cocoa Polyphenols and their potential benefits for human health – review article. Oxidative Medicine and Cellular Longevity. 2012. 1-23
[12] Joi A. Nichols, Santosh K. Katiyar. Skin photoprotection by natural polyphenols: Anti-inflammatory, anti-oxidant and DNA repair mechanisms. Arch Dermatol Res. Author manuscript; available in PMC 2010 Sep 18 Patricia OyetakinWhite, Heather Tribout. Protective Mechanisms of Green Tea Polyphenols in Skin. Oxid Med Cell Longev. 2012; 2012: 560682. Published online 2012 Jun 26.
[13] OyetakinWhite, P., Tribout, H. and Baron, E. (2012). Protective Mechanisms of Green Tea Polyphenols in Skin. Oxidative Medicine and Cellular Longevity, 2012, pp.1-8.
[14] Gianeti MD, Mercurio DG. The use of green tea extract in cosmetic formulations: not only an antioxidant active ingredient. Dermatol Ther. 2013 May-Jun;26(3):267-71. Epub 2013 Mar 13.
 

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