Ingredient Guides
Serum Types and Active Ingredients for Skincare Brands: A Practical Guide
MPC Innovation Lab · · 6 min read
A serum is a concentrated, usually lightweight skincare product designed to deliver specific active ingredients. The main serum types for skincare brands are brightening, hydrating, anti-aging, acne and oil-control, soothing, and intensive ampoule serums. Each type is built around a group of actives, and that choice also influences the texture, stability and packaging your product needs.
What is a serum, and how does it differ from a lotion or cream?
A serum is typically thinner than a lotion or cream and carries a higher proportion of active ingredients relative to heavy oils and waxes. It is usually applied after cleansing and before moisturiser. Because the formula is concentrated and light, ingredient choice and stability matter more than in many other products.
An active ingredient is a component included for a specific skin-care purpose, such as hydration or tone evenness. Descriptions below are general and are not promises of results.
What types of serum can a brand develop?
Brightening and dark-spot care serums
These aim at the appearance of uneven tone, dullness and post-acne marks. Common actives include vitamin C, niacinamide and alpha arbutin. Vitamin C is a well-known antioxidant used in brightening products but can be sensitive to air and light, which affects formulation and packaging. Niacinamide is a form of vitamin B3 widely used for tone, texture and barrier support.
Hydrating and barrier serums
These focus on water retention and a comfortable, supple skin feel. Hyaluronic acid is a humectant, meaning it attracts and holds water, and it is often used in several molecular sizes. Ceramides are skin-identical lipids used to support the skin barrier.
Anti-aging serums
These target the look of fine lines, firmness and elasticity. Typical ingredients are peptides, bakuchiol (a plant-derived ingredient often discussed as a retinol alternative) and collagen-related ingredients. As with all cosmetics, avoid wording that implies a medical or guaranteed effect.
Acne and oil-control serums
These are for oily, congestion-prone skin. Salicylic acid (BHA) is an oil-soluble exfoliating acid used to help clear pores, and zinc PCA is commonly used to help manage oil. Concentration and pH need careful design to balance performance and skin comfort.
Soothing serums for sensitive skin
These focus on calming the look of redness and discomfort. Centella asiatica, allantoin and aloe vera extract are common choices. Keeping the ingredient list simple is often part of the positioning.
Ampoule and intensive recovery serums
An ampoule is a small-volume, highly concentrated product, often used as a short intensive treatment. Formulas may include ingredients such as plant stem cell extract or growth-factor-type ingredients. Their premium positioning usually pairs with small, protective packaging.
Which active ingredients are generally used for what?
- Vitamin C: antioxidant, commonly used in brightening products.
- Niacinamide: tone, texture and barrier support.
- Alpha arbutin: used in products aimed at uneven tone.
- Hyaluronic acid: hydration by attracting and holding water.
- Ceramides: support for the skin barrier.
- Peptides and bakuchiol: common in anti-aging concepts.
- Salicylic acid and zinc PCA: oil control and clearer-looking pores.
- Centella, allantoin, aloe: soothing and comfort.
Combining actives is not always additive. Some pairings need pH or stability adjustments, which is why formulators test compatibility before you confirm a sample.
How does formula direction affect texture and packaging?
Texture comes from the base, not just the actives. A water-light gel feels fresh and fits hydration serums, while a slightly richer, slip-heavy base suits anti-aging concepts. Colour and scent are also part of the brief.
Packaging then follows the formula.
- Light-sensitive or air-sensitive actives usually call for opaque or tinted containers and protective dispensing.
- Thin liquids work well with droppers; slightly thicker gels often suit pump bottles.
- Ampoules typically use small single-use or small-volume containers.
Always confirm compatibility between formula and container before production.
How do you choose a serum direction for your brand?
- Define the customer and their main skin concern.
- Pick one clear hero concern rather than many; focused serums are easier to explain and sell.
- Decide between a standard formula and a custom formula.
- Set texture, scent and colour targets.
- Choose packaging suited to the actives.
MPC Innovation Lab develops serums from a brief, a reference product or a concept, with standard formulas from 100 pieces and custom formulas typically around 300 to 1,000 pieces. Product notification requirements and claims should be confirmed against current Thai FDA rules.
Frequently asked questions
Frequently asked questions
How many types of serum are there?
There is no fixed number, but brands usually work with six main directions: brightening, hydrating, anti-aging, acne and oil-control, soothing, and ampoule. Many products blend two concerns, though a single clear focus is easier to position.
What is the difference between a serum and an ampoule?
An ampoule is generally a smaller, more concentrated product used as an intensive treatment, while a serum is a regular-use concentrated product. The line between them is partly positioning and format.
Can I use vitamin C and niacinamide in the same serum?
It can be done, but it requires formulation care for pH and stability. Your R&D team should test the combination rather than assume it will work.
Why do some serums come in dark bottles or airless pumps?
Some actives, such as vitamin C, degrade with light and air exposure. Opaque or protective packaging helps keep the formula stable over its shelf life.
Can a serum claim to treat acne or wrinkles?
Cosmetics should not make medical or guaranteed-result claims. Use careful appearance-based wording and confirm current Thai FDA requirements for claims and notification.
What is the minimum order for private label serum?
At MPC Innovation Lab, standard formulas can start from 100 pieces and custom formulas typically range from about 300 to 1,000 pieces. Exact quantities depend on the product and packaging.