sa serum

They target brightening and uneven tone, hydration and plumping, anti‑aging concerns like fine lines, dark spot reduction and texture improvement, and—depending on the formula—exfoliation plus pore or oil control.

Most listings indicate the serums are unscented or have no added fragrance, and many are labeled paraben‑free.

Descriptions recommend daily use, with some formulas advising morning and evening application. Serums are typically applied before moisturizer and can be used alone or layered under other treatments—follow any product‑specific directions.

The listings show available sizes of 1 fl oz and 4 fl oz.

Listings cover normal and combination skin as well as oily, dry (including very dry), sensitive (including extra sensitive), mature, and acne‑prone skin.

Descriptions commonly mention lightweight, fast‑absorbing textures that feel non‑greasy and non‑sticky; some products also note plumping or hydrating effects.