Basic Chem

Question: What is the pH and what does it measure in skincare products?

Answer: pH measures the acidity or alkalinity of a substance ; in skincare, it indicates how product will affect the skins natural pH.

Question: What is the role of emulsifiers cosmetic products?
Answer: They help mix the water and oil components in a product, creating a stable emulsion.

Question: What is the function of preservatives in skin products?

Answer: They prevent growth of bacteria and fungi in products, extending their shelf life

Question: What are humectants in skincare and what do they do?

Answer: Humectants are ingredients that attract water, helping to hydrate the skin by drawing moisture from the air.

Question: Define 'active ingredients' in skincare products
Answer: Components in skincare products that are intended to address specific skin concerns or conditions

Question: What is the importance of antioxidants in skincare products?

Answer: They protect the skin from damage caused by free radicals, which can lead to premature aging

Question: How do surfactants function in shampoo and cleansers?

Answer: They lower the surface tension of water, allowing it to mix w/ oil and dirt for easier removal

Question: What is the purpose of thickeners in cosmetic functions?

Answer: Explain the role of vitamins in skincare products

Question: What are parabens and why are they controversial?

Answer: Preservatives used to prevent microbial growth in products, they are controversial due to potential health concerns

Question: What does 'hypoallergenic' mean in cosmetic products?
Answer: Indicates that a product is less likely to cause allergic reactions.

Question: What is the difference between synthetic and natural ingredients in cosmetics?

Answer: Synthetic: Man- made
Natural: derived from natural sources

Question: How do occlusives work in moisturizing products?
Answer: it creates a barrier on the skins surface to prevent moisture loss

Question: what are peptides and how do they benefit the skin?
answer: They are short chains of amino acids that can signal the skin to produce collagen and elastin

Question: How do UV filters in sunscreen work?
Answer: Either absorb or reflect UV rays to protect the skin

Question: What is the significance of 'non- comedogenic' in skin products?
Answer: Formulated to not clog pores, reducing risk of acne

Question: Explain the concept of 'free radicals' and the impact on the skin.
Answer: Free radicals are unstable molecules that can damage cells, leading to skin aging and other issues

Question: What is the purpose of fragrance in cosmetic products?
Answer: Added for a pleasant scent but can be irritating for some skin types