What active ingredients are and the most common ones in skincare.
Topic
Product Intelligence
Difficulty
Intermediate
Reading Time
6 min
Last Updated
2026-07-07
Sections
2
References
2 sources
Word Count
109 words
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7 detected
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3 articles
What is Active Ingredients Explained?
What active ingredients are and the most common ones in skincare.
Actives Are
Active ingredients are those with documented effects on the skin, as opposed to base ingredients that provide formulation and texture. Common actives include retinoids, vitamin C, niacinamide, AHAs, BHAs, and peptides.
to Use Them
Introduce one active at a time to monitor your skin’s response. Start with lower concentrations and build gradually. Some actives, like retinoids, are best used at night, while antioxidants like vitamin C work well in the morning.
A key concept in this article.
Vitamin A derivatives that influence skin cell turnover. Among the most studied topical ingredients for texture and renewal.
An antioxidant studied for brightening effects and protection against oxidative stress. Best used in the morning under SPF.
A form of vitamin B3 studied for tone-evening and barrier support. Generally well-tolerated by most skin types.
Short chains of amino acids studied for signaling and barrier support in skincare.
Water-soluble exfoliants that dissolve bonds between dead surface cells. Include glycolic and lactic acid.
Oil-soluble exfoliants that penetrate pores. Salicylic acid is the most common BHA in skincare.
Molecules that neutralize free radicals and protect against oxidative stress. Vitamins C and E are common examples.
Active ingredients are those with documented effects on the skin, as opposed to base ingredients that provide formulation and texture. Common actives include retinoids, vitamin C, niacinamide, AHAs, BHAs, and peptides.
Introduce one active at a time to monitor your skin’s response. Start with lower concentrations and build gradually. Some actives, like retinoids, are best used at night, while antioxidants like vitamin C work well in the morning.
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