
CONCIO Academy
We believe that in order to make the right choice, it is important to first have the right information.
That’s why we share as much knowledge as we can on our blog.
In addition, the LINE account provides free support and consultation for any questions or inquiries regarding cosmetics and ingredients.
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Cosmetic preservative: Allergic risk from chlor...
Chlorphenesin is a synthetic preservative that is used in a wide range of cosmetics. However, it can cause dermatitis or eczema in people with sensitive or dry skin.
Cosmetic preservative: Allergic risk from chlor...
Chlorphenesin is a synthetic preservative that is used in a wide range of cosmetics. However, it can cause dermatitis or eczema in people with sensitive or dry skin.

Cosmetic ingredients: Benzalkonium chloride - s...
Benzalkonium chloride is a preservative that is used in shampoos, body soaps, eye makeup, makeup removers, etc. However, people with sensitive skin, such as those with skin diseases or atopic...
Cosmetic ingredients: Benzalkonium chloride - s...
Benzalkonium chloride is a preservative that is used in shampoos, body soaps, eye makeup, makeup removers, etc. However, people with sensitive skin, such as those with skin diseases or atopic...

DMDM Hydantoin: Risks of a Cosmetic Preservative
DMDM hydantoin is a preservative that is sometimes included in shampoos, conditioners, and body soaps. While it has strong antibacterial properties, it also poses the risk of allergies, carcinogenicity, and...
DMDM Hydantoin: Risks of a Cosmetic Preservative
DMDM hydantoin is a preservative that is sometimes included in shampoos, conditioners, and body soaps. While it has strong antibacterial properties, it also poses the risk of allergies, carcinogenicity, and...

Do cosmetics need preservatives?
Cosmetics generally contain preservatives. If the product is not properly preserved, it may spoil or cause serious problems. Cosmetics that do not have an expiration date can be stored for...
Do cosmetics need preservatives?
Cosmetics generally contain preservatives. If the product is not properly preserved, it may spoil or cause serious problems. Cosmetics that do not have an expiration date can be stored for...

Polyaminopropyl Biguanide: An ingredient to wat...
What is Polyaminopropyl Biguanide? Polyaminopropyl biguanide is used as a preservative in cosmetics. In Japan, there are restrictions on its use, and it can only be used at a maximum...
Polyaminopropyl Biguanide: An ingredient to wat...
What is Polyaminopropyl Biguanide? Polyaminopropyl biguanide is used as a preservative in cosmetics. In Japan, there are restrictions on its use, and it can only be used at a maximum...