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What are the disadvantages of pure natural skincare products?

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Update time : 2019-11-26 17:46:18
What are the disadvantages of pure natural skincare products?

More and more skincare products and body care products are labeled with "all-natural" and "no artificial addition" on the shelves. This is indeed an encouraging phenomenon because everyone realizes that they should stay away from products that are not good for themselves and the planet. However, is it perfect to claim that it is natural and chemical-free? Answer: No

There are a few pitfalls here.

The first trap is natural substances. Natural substances do not represent absolute safety. The natural materials used in home DIY are mostly plants. Skincare companies often claim that they are "mild and non-irritating", but from the perspective of a dermatologist, this is simply nonsense. The claim that "plants are non-irritating" is itself wrong. In fact, in nature, no substance is more likely to cause various contact dermatitis than plants. Some fruits are too acidic and will erode the skin; some plants are okay to apply directly, but the ingredients will change when exposed to sunlight, which will cause allergic reactions. Even the aloe vera most commonly used by families to calm their skin is not completely safe. The results show that the aloe epidermis is prone to cause allergies, and it must be completely removed before it can be used as a mask.

The second trap is preservatives. Homemade skincare products are safer without preservatives, but they can only last a few days. Although preservatives such as paraben are controversial, to prevent skincare products from spoiling or being contaminated, preservatives are still necessary ingredients. Preservatives are used not only in skin care products but also in processed foods and medicines. Without preservatives, skincare products are as perishable as food. Once skincare products are contaminated or deteriorated, they can infect the skin with bacteria or allergies. Therefore, compared to the controversy of which the harmfulness has not yet been confirmed, the harm of not adding preservatives is greater. Moreover, if it is to be used immediately every time, the cost of homemade skincare products will exceed the commercial skincare products.

The third pitfall is skin absorption. The surface of the skin is covered with a layer of sebum called sebum and intercellular lipids, so it is less able to absorb water-soluble substances. This is the reason that "oil and water are incompatible". The most commonly used vitamin C in homemade skincare products is the most representative water-soluble substance. In other words, even if such ingredients are applied, they just stay on the surface and cannot be absorbed by the skin. Therefore, when using vitamin C to make skincare products, it is usually necessary to change it to a lipophilic form.

"Natural" has no academic and legal significance, and there is no standard definition. Any skincare product can claim to be pure natural without bearing any legal consequences because all the ingredients ultimately come from nature.