Ingredients & Science

What can an ingredient list tell us about an anti-wrinkle serum? We take a closer look at the Centella Peptide Complex Anti-Wrinkle Serum — from its three-peptide complex and Centella asiatica to amino acids, humectants, botanicals and the ingredients that make the complete formula work.

Skin naturally changes with age, but that doesn't mean you need to avoid effective skincare ingredients. Learn which ingredients mature skin may need to use more carefully and discover the science-backed ingredients that help support hydration, barrier function, and healthy aging skin.

Layering your skincare correctly can make a difference in how products perform. Learn the ideal order for applying anti-aging serums, discover which ingredients work well together, and build an effective morning and evening routine based on current dermatology research.

Ever wondered what the ingredients on your skincare products actually do? This science-backed guide explains cosmetic ingredient categories, how formulations work, and how to confidently read skincare labels so you can make more informed beauty choices.

Hyaluronic Acid may be the headline ingredient, but an effective hydrating serum is built on much more than one molecule. In this edition of our Read the Label series, we decode every ingredient in The Chemistry Journal Hyaluronic Acid Serum, explain the science behind low molecular weight Sodium Hyaluronate, skin-friendly pH, and barrier-supporting ingredients, and show how the complete formulation works together to deliver lasting hydration.

Acne is one of the most common skin concerns, but effective treatment takes more than quick fixes. Learn what causes acne, the ingredients supported by scientific research, and how to build a skincare routine that helps reduce breakouts over time.

Your skin faces daily exposure to UV rays, pollution, and other environmental stressors that can contribute to premature aging. Discover how antioxidants—including vitamin C, vitamin E, niacinamide, and retinol—support healthier-looking skin by helping protect against oxidative stress and strengthening your skincare routine with science-backed guidance.

Discover five dermatologist-backed skincare trends supported by science, including skin cycling, peptides, barrier repair, and more.

Discover the science behind Centella Asiatica (Cica). Learn how this botanical ingredient supports the skin barrier, improves hydration, promotes firmer-looking skin, and helps calm the appearance of visible redness.

Learn how hyaluronic acid hydrates the skin, supports the skin barrier, and helps smooth the appearance of fine lines. Discover how to use it correctly and why it's suitable for all skin types.

Discover the science behind niacinamide. Learn how this vitamin B3 ingredient supports the skin barrier, improves hydration, balances oil, and promotes a more even-looking complexion.

Learn how retinol works, its proven skincare benefits, and how to use it safely. Discover expert tips, ingredient pairings, and science-backed advice for smoother, healthier-looking skin.

Discover why glass pump bottles help preserve active skincare ingredients, reduce contamination, improve ingredient stability, and support sustainable skincare packaging.

Learn why Made in USA skincare matters, what the label means, how U.S. cosmetic standards work, and what to look for in high-quality skincare products.