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Green Tea in Skin Care
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Green Tea in Skin Care

26 February 2025


Green Tea in Skin Care




Green tea (Camellia Sinensis Leaf Extract) is a powerful antioxidant ingredient used to treat skin aging, acne, rosacea, eczema, psoriasis, and sensitive skin. Its anti-inflammatory properties make it one of the best ingredients to treat skin inflammation in sensitive skin types and to treat hyperpigmentation. I can be used in skincare regimens designed to lighten skin and in rosacea treatment creams.



Green tea has many benefits due to its antioxidant, anti-aging, anti-acne, anticarcinogenic, anti-inflammatory, skin lightening, and photoprotective properties. [1] [2]




It is recommended for all 16 Baumann Skin Types.



green tea in skin care




Camellia Sinensis Leaf Extract



Green tea is known by names but it is usually found on the product label as Camellia Sinensis Leaf Extract.




Benefits



Cancer protection




Green tea may help protect skin from skin cancer. Experiments conducted in the 1990s using mouse skin tumor bioassay systems revealed that when green tea polyphenols (GTPs) were applied topically, they protected the skin from various factors that could induce or promote skin cancer, such as 3-methylcholanthrene, 7,12-dimethylbenz(a)anthracene (DMBA), 12-O-tetradecanoylphorbol-13-acetate (TPA), benzoyl peroxide, and 4-nitroquinoline N-oxide.



GTPs were found to have the ability to neutralize a wide range of harmful free radicals, including 1,1-diphenyl-2-picryl-hydrazyl (DPPH), hydroxyl radicals, and lipid-derived radicals.




EGCG also reduces the immunosuppression caused by UV exposure by limiting the production of interleukin-10 (IL-10) and increasing the production of interleukin-12 (IL-12), which are important cytokines involved in the immune response.



EGCG appears to enhance the production of enzymes that repair DNA damage caused by UV radiation.




does green tea help prevent cancer?



Aging Prevention




Green tea may help prevent skin aging by blocking the causes of skin aging such as inflammation and free radicals.



In mouse studies, EGCG was shown to downregulate the expression of AP-1 and NF-κB, both involved in cellular signaling, while inhibiting matrix metalloproteinases (MMPs), which can degrade collagen and lead to photodamage. (32)




In a study involving hairless mice exposed to UVB radiation, drinking water supplemented with GTPs suppressed protein oxidation in the skin, both in vivo (in the living organism) and in vitro (in cultured human skin cells). (1)



Oral administration of GTPs in hairless mice was also found to inhibit the expression of MMPs in the skin after UVB exposure, indicating potential anti-aging properties of GTPs. (1)




Green Tea Comes from Plants



Green tea comes from an evergreen tree Camellia sinensis that is in the Theaceae family. It is a natural product that can also be organic if no pesticides are used when cultivating it.




Chemistry of Green Tea in Skin Care Products:



Safety Issues and Clean Ingredient Standards for Green Tea




Green tea and green tea extracts are categorized as “generally recognized as safe” (GRAS). It is a natural and clean ingredient. It may be organic if grown without pesticides.



Green tea is rated 1-2 by the EWG.




Allergy to Green Tea



Green tea can rarely cause a skin allergy.




It is often found on lists of allergenic skin care ingredients.



This is uncommon and I have never seen it but cases have been reported. The person who develops an allergy to green tea usually also has a black tea allergy.



Environmental Impact of Green Tea in Skin Care

Cultivating green tea does not harm the environment. The sustainability of tea plantations may be threatened by global climate change. (1)

considerations on the formulation of green tea products in skin care

Product Formulation Considerations

EGCG is the component of green tea that should be used in formulations because it has the most antioxidant activity. However, EGCG is also the most expensive form of green tea in cosmetics and is challenging to formulate because it is unstable.

It is water soluble and relatively easy to combine with other ingredients because it does not easily react with other ingredients and seems to facilitate or support their stability.

When a large amount of green tea is put in a skincare product, it may look turn brown. (In this case- brown is good because it means there is enough green tea in the product.)

Skin Care Routine Design Considerations

The hydrophilic nature of EGCG limits penetration into human skin. Green tea should be used with ingredients that increase skin penetration when possible such as hyaluronic acid and oleic acid. When designing a skin care routine, care should be taken to design the order of steps in the routine to increase absorption of green tea.

Find the best skin care products with Green Tea here

Chemical components

Green tea is a polyphenol in the flavonoid category of flavanals known as catachins.

The four major polyphenolic catechins found in green tea include:

ECG [(-)EpiCatechin-3-O-Gallate]

GCG [(-)GalloCatechin-3-O-Gallate]

EGC [(-)EpiGalloCatechin]

EGCG [(-)EpiGalloCatechin-3-O-Gallate]

Green tea polyphenols (GTPs) are antioxidants and also affect Ras and activator protein (AP)-1, which are part of the mitogen-activated protein kinase (MAPK) pathway.

Green tea is good for all skin types. Let u help you build a skin care routine finding products that are right for you skin type. Have questions? Ask our AI bot that we call our skin care concierge.

DQH Can I use salicylic acid first and then vitamin C? It’s easy to create a skincare routine, but knowing how to use it is another thing entirely. In most cases, if you’re not getting the desired skin results, it could be due to the layering of conflicting ingredients. So, is it possible that salicylic acid and vitamin C are such ingredients? Or are these active ingredients the duo that’s been missing from your skincare routine? If you want answers, stick around because today we are going to explain the benefits of salicylic acid and vitamin C and how they can be used in your daily life. What are the benefits of salicylic acid for skin? Salicylic acid is one of the most commonly used beta hydroxy acids and is favored by many people with oily, acne-prone skin. This acid is derived from willow bark, and unlike its water-soluble relatives (called alpha-hydroxy acids), salicylic acid is oil-soluble, which means it can penetrate deeper into the lower layers of the skin. Once it reaches the lower layers, it can help unclog pores of excess sebum, dirt, bacteria, debris, and impurities. This results in clearer skin tones and greater definition. Not only does salicylic acid benefit the underlying layers, but the outer surface of the skin benefits as well. When applied to the skin, salicylic acid removes the buildup of dead skin cells. This is accomplished by breaking the bonds that hold dead cells to the surface. Over time, this can cause the complexion to look dull and prone to acne, blackheads, and other blemishes. If you’d like to learn more about salicylic acid and how it can improve your skin, check out this dedicated blog post from a beauty insider. What are the benefits of vitamin C for skin? Vitamin C is considered one of the most powerful antioxidants, which means it is very effective at fighting free radicals and preventing them from causing further skin damage. Examples of free radicals include pollution, central heating, UV rays and harsh climate. They attack proteins, fats and cell membranes as soon as they come into contact with the skin, causing signs of premature aging such as fine lines and wrinkles as well as hyperpigmentation, flaky patches of skin and loss of elasticity. Many people usually prefer to use vitamin C in their morning routine as this ingredient gives the complexion a radiant glow. You’ll also find that vitamin C can target areas of hyperpigmentation, plumping the skin and reducing the appearance of fine lines and wrinkles. The thing about vitamin C is that there are a lot of outdated studies going back to the 1950s that describe vitamin C as an unstable skin component. Thanks to improvements in modern technology, this is no longer the case as all products now contain a stable form of vitamin C. Visit The Beauty Insider to learn more about vitamin C. So please check out our blog post. Can I use salicylic acid first and then vitamin C? Yes, you absolutely can. In fact, it’s thought that using salicylic acid before using vitamin C ensures it penetrates faster and works faster. This is an efficient way to utilize two power sources, and the reason has to do with pH. For example, the skin’s natural pH is about 4.7, making it slightly acidic. Salicylic acid and vitamin C are also both acidic, and you’ll find that vitamin C is absorbed quickly into the skin. Therefore, using salicylic acid beforehand can increase the acidity of the skin and allow vitamin C to penetrate into the skin faster. While this is considered an effective way to combine two powerful ingredients, you need to be aware of your skin type and how it reacts to certain active ingredients. Even people with perfect, normal skin can experience skin sensitivity and irritation. Therefore, always consult a doctor or dermatologist before using any new products on your skin. It’s also important to follow skin application rules. In this case, you need to use the product correctly to ensure you get the best results for your skin. If you’re not sure what I mean, the basic rule for skin is to start with the thinnest consistency and work your way up to the thickest consistency. This prevents a barrier from forming on the surface, preventing other active ingredients from penetrating the skin. Can I use salicylic acid at night and vitamin C in the morning? Yes, absolutely, this is considered the most effective way to get returns without any adverse side effects. This is because there is enough time between applications to ensure that the skin’s pH levels return to balance. You’ll also find that Vitamin C is rich in antioxidants and is perfect for use in the morning to ensure your skin is protected and looking its healthiest. Due to the small size of salicylic acid molecules, it is an acid that is able to reach the deepest parts of the skin. While this is effective at keeping skin clear, it also increases the risk of irritation and photosensitivity. Therefore, many people prefer to use powerful BHAs in their evening routine without exposure to UV rays, pollution, or harsh weather. Warning: If you avoid using sunscreen every day, none of these ingredients will do what your skin needs. The combination of chemical peels and powerful ingredients increases the risk of further damage to the skin’s surface. Use SPF 50 every day to keep your skin protected and your lipid barrier healthy, even on cloudy days, keeping your skin in top condition.
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