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2. 1-Ethyl-3- (3-dimethylaminopropyl)carbodiimide - Wikipedia

   en.wikipedia.org/wiki/1-Ethyl-3-(3-dimethylamino...

   1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC, EDAC or EDCI) is a water-soluble carbodiimide usually handled as the hydrochloride. [1] It is typically employed in the 4.0-6.0 pH range. It is generally used as a carboxyl activating agent for the coupling of primary amines to yield amide bonds.

3. Moisturizer - Wikipedia

   en.wikipedia.org/wiki/Moisturizer

   Using moisturizers helps to improve skin comfort and may reduce disease flares. [13] [14] They can be used as leave-on treatments, bath additives, or soap substitutes. There are many different moisturizer products, but the majority of leave-on treatments (from least to most greasy) are one of the following: lotions, creams, gels, or ointments.

4. Natural skin care - Wikipedia

   en.wikipedia.org/wiki/Natural_skin_care

   Natural skin care uses topical creams and lotions made of ingredients available in nature. [1] Much of the recent literature reviews plant-derived ingredients, which may include herbs , roots , flowers and essential oils , [ 2 ] [ 3 ] [ 4 ] but natural substances in skin care products include animal-derived products such as beeswax , and minerals.

5. Carbodiimide - Wikipedia

   en.wikipedia.org/wiki/Carbodiimide

   The acid 1 will react with the carbodiimide to produce the key intermediate: the O-acylisourea 2, which can be viewed as a carboxylic ester with an activated leaving group. The O-acylisourea will react with amines to give the desired amide 3 and urea 4. The possible reactions of the O-acylisourea 2 produce both desired and undesired products.

6. Cosmetics - Wikipedia

   en.wikipedia.org/wiki/Cosmetics

   Serums are light, easily absorbed liquids that one spreads on their skin. The main purpose of the product is to be applied before moisturizer, and the serum provides a high concentration of any specific ingredient on the face. The benefits of serum are skin firmness, smoothness of the face, and reducing the fine lines and wrinkles on ones face.

7. N-Hydroxysuccinimide - Wikipedia

   en.wikipedia.org/wiki/N-Hydroxysuccinimide

   A common way to synthesize an NHS-activated acid is to mix NHS with the desired carboxylic acid and a small amount of an organic base in an anhydrous solvent. A coupling reagent such as dicyclohexylcarbodiimide (DCC) or 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC) is then added to form a highly reactive activated acid intermediate.