Dimethicone
A synthetic silicone polymer that forms a smooth, protective film on skin and hair.
skincare activeLow concern
Skincare actives
Skincare Actives: The Ingredients Doing the Real Work
Skincare actives are the ingredients in a formula that produce a measurable effect on the skin — whether that means smoothing texture, clearing pores, or reinforcing the moisture barrier. Unlike preservatives or fragrance, actives are the reason a product is marketed for a specific purpose, and regulators often set concentration limits around them for exactly that reason. You will find them listed by their international chemical names on every compliant label, which can make them harder to recognise at a glance.
How to spot them on a label
On a correctly formatted ingredient list, actives appear in order of concentration, so an ingredient near the top of the list is present in a meaningful amount, while one near the bottom may have only a trace effect. Knowing what ingredients belong to this category helps you quickly separate the functional core of a product from its filler or sensory components. Some actives, such as salicylic acid in acne products, must be declared separately under 'Drug Facts' in the United States because they are regulated as over-the-counter drug ingredients.
Every entry in this group (5)
Kojic Acid
A naturally derived compound from fermented fungi that reduces melanin production to fade dark spots and even skin tone.
skincare activeDepends on context
Retinol
Retinol is the pure alcohol form of Vitamin A, widely used in skincare to accelerate cell turnover and reduce visible signs of ageing.
skincare activeDepends on context
Salicylic Acid
A beta-hydroxy acid derived from willow bark that unclogs pores and exfoliates skin at low concentrations.
skincare activeDepends on context
Squalane
A stable, saturated hydrocarbon oil used in skincare to soften skin and reduce moisture loss.
skincare activeLow concern
Questions people also ask
What is the difference between a skincare active and a base ingredient?
A base ingredient — such as water, glycerin, or an emulsifying wax — gives a product its texture and helps deliver other ingredients to the skin. An active is the component targeting a specific skin concern. The base makes the formula usable; the active makes it purposeful.
Can you use dimethicone, retinol, salicylic acid, and squalane in the same routine?
These four ingredients do not have a well-documented conflict with one another, but layering multiple strong actives in a single routine can still cause irritation for some skin types. It is worth introducing them gradually rather than all at once, and consulting a dermatologist if you have sensitive or reactive skin.
Are skincare actives safe for daily use?
Safety depends on the specific ingredient, its concentration, your skin type, and how the product is formulated. Squalane is generally well tolerated daily, while retinol at higher concentrations is often recommended for evening use only and not every night when starting out. No ingredient page replaces personalised advice from a healthcare professional.
How do I know if an active is present in a high enough amount to actually work?
Position on the ingredient list gives a rough guide — higher placement usually means higher concentration. For regulated actives like salicylic acid, the percentage must be stated on the label. For others, published research and regulatory guidelines suggest effective ranges, which InZoRAH surfaces when the data is publicly available.
Other ingredient groups
Educational information, not medical advice. Always read the physical label if you have an allergy.
Check a whole label at once
InZoRAH scans the ingredient list and flags only what matters for you, with sources — then finds a cleaner product on the same shelf.
Read the ingredient blog