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A face serum that combines vitamin C, retinol, salicylic acid and hyaluronic acid in a single bottle. The listing gives no active percentages or usage directions, so the strength is unknown.
An aerosol spray serum with niacinamide for an anti-aging routine on any skin type. The listing is brief and gives no directions or ingredient list.
A brightening Vitamin C serum with lemon extracts and a stated dose of drops. The description claims it combats dark spots when used regularly, but it gives no clinical data.
A brightening and hydrating collagen serum for all skin types, in a large bottle. The listing gives no ingredient list or directions.
A one ounce PDRN serum with the listing giving only the size and the ingredient name. Skin type, directions and any other ingredients are missing.
A fragrance-free salicylic acid serum for breakouts, blackheads and oil control. It also lists exfoliating glycolic and lactic acids, so introduce it carefully.
A vitamin C serum with hyaluronic acid for radiance and wrinkles, tested on sensitive skin and non-comedogenic. The title mentions two formulas and the listing does not say which one ships.
A fragrance-free Vitamin C serum with a PHA for brightening and even tone on any skin type. The listing gives no directions, so read the package.
A fragrance free gel serum with a three-ingredient hydrating and exfoliating mix, suited to anyone adding an anti-aging step. Strength of each ingredient and directions are not listed.
A salicylic acid face serum in drop form, listed for all skin types and for exfoliating. The scent and fragrance-free entries disagree, so check the label.
An exfoliating ampoule built around kojic acid, listed for every skin type and tone. The page gives no concentration, directions or ingredient list.
An organic, fragrance-free retinol serum for anti-aging on all skin types. The listing does not give the retinol strength, and it is a serum, not a moisturizer.
A night serum with pure retinol for facial wrinkles, free of fragrance, silicone and parabens. The description says to start slowly and wear an SPF lotion in the morning.
A natural, unscented essence in a dropper bottle built on fermented bean and fruit ingredients for glow and light exfoliation. The listing gives no directions.
A fragrance free, alcohol free brightening serum with niacinamide, listed for every skin type and tone. The page names only one key ingredient and gives no directions.
A watermelon-scented liquid serum for brightening, listed for all skin types and tones. The listing gives no directions and an unusual size figure, so check the label.
A gel eye serum that combines retinol with caffeine, niacinamide, hyaluronic acid and vitamin E, unscented and vegan. The listing gives no strengths or directions, and retinol near the eyes needs a slow start.
A fragrance-free eye serum built on hyaluronic acid and vitamin E. The listing is brief and gives no directions or claims about results.
A one-ounce unscented oil whose listing is thin and mixed: the category says skin serum while the specs describe hair benefits and hair types. Ingredients are not named.
An overnight anti-aging serum with collagen peptide, retinol and vitamin C for the face and neck. The listing offers no directions, so follow the pack.
A plain, single-ingredient hyaluronic acid serum for adding water to the skin. Skip it if you want a serum with brightening or anti-aging actives.
An exfoliating pore ampoule with alpha hydroxy, collagen and minerals, aimed at texture and pore care. The listing gives no acid strength, skin type or schedule, so start slowly.
An unscented, vegan antioxidant serum aimed at fine lines and wrinkles on any skin type. The listing gives no usage directions or ingredient strengths.
A vitamin E serum made for sensitive skin, with antioxidant and moisturizing aims. The listing gives no directions, so follow the instructions on the package.
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medicube, Olay, Beauty of Joseon, celimax, Cosrx lead this category among the 190 brands that passed our curation checks.
A listing appears only when it has a recorded price, a minimum customer rating, and enough ratings or monthly sales. Generic and unbranded listings are left out, while every real brand stays, including brands sold only on Amazon. The ones that pass are ordered by how many people search for that brand and model each month; review counts only break ties.
Skin care serums include formulas focused on hydration, exfoliation, or concerns such as uneven tone and fine lines; that focus matters more than whether the item form is listed as Serum, Drop, or Gel. Start by deciding which concern you want an extra step to address, taking account of what your cleanser and moisturizer already provide. Before adding an exfoliating serum, compare its ingredients with those in your existing routine and read the directions for restrictions on combining exfoliating products, since overlapping formulas can increase irritation.
For hydration, look for ingredients such as glycerin or hyaluronic acid; for exfoliation, examples include glycolic, lactic, and salicylic acid, with the directions determining the intended use. Check which ingredients support your chosen concern, regardless of how many benefits the label advertises. Where a concentration is stated, a higher percentage is not automatically a better fit: suitability also depends on the ingredient and the complete formula. Bottle size should follow the intended application area and frequency in the directions, with a smaller bottle making sense for a formula you have not tried. Among the 174 products that list size, most fall between 0.5 and 3.4 fl oz, and 1 fl oz is typical.
Texture matters when a serum must sit beneath moisturizer, sunscreen, or makeup. Look for a description of the finish, such as tacky, oily, or quick-drying, because the item form filter cannot tell you how the formula will layer with your existing products. Packaging also changes everyday handling: a pump dispenses without removing the closure, while a dropper requires opening the bottle and handling the applicator. If precise dispensing matters, look for directions that explain the amount per application and whether the dispenser helps measure it.
Before buying, confirm the serum is permitted on your intended application area, particularly around the eyes. The directions should specify application order and any sun-protection precautions. The scent values Unscented and Aloe cannot settle ingredient suitability; inspect the full ingredient list for fragrance components and ingredients you already know you react to. Check storage directions, including any requirements to keep the serum away from light or heat, and the period for use after opening, especially if it will be kept in a warm bathroom.
How we list products: every listing here has a recorded price, a minimum customer rating and enough ratings or monthly sales. Generic and unbranded listings are left out; every real brand stays, including brands sold only on Amazon. Products are ordered by monthly searches for their brand and model on every page.Editorial policy
