Skincare Ingredient Glossary: The Actives Your Brand Should Know

When building a cosmetics brand, most product development decisions come down to understanding which active ingredient serves which skin goal. Retinol, a vitamin A derivative, supports cell renewal and is used in products targeting fine lines and uneven tone, but it's light-sensitive and typically formulated for night routines in opaque packaging.

Niacinamide (vitamin B3) is a common choice for barrier-strengthening and pore-appearance claims; its compatibility with most other actives gives formulators flexibility. Hyaluronic acid is known for its moisture-binding capacity — using different molecular weights, low or high, changes how deeply it penetrates different skin layers.

Peptides are used for skin-structure-support claims and tend to be higher-cost, more complex actives with stricter stability needs. AHAs (glycolic, lactic acid) and BHAs (salicylic acid) are both used for exfoliation; AHAs work at the surface while BHA, being oil-soluble, penetrates pores more effectively — this difference guides formula choice by target skin type.

Adding an active to a formula shouldn't be about trend alone — it needs to be assessed against the target claim, stability, pH compatibility, and interaction with other actives. At Lumetica, these active-ingredient choices are clarified during brand development alongside the intended product claim and manufacturer capability.