n.a sickly yellowish skin color

Sallowness preparation, its making method and quality control
Antiaging bionic and polyhydroxy acids reduce nonenzymatic protein glycation and skin sallowness
Antiaging bionic and polyhydroxy acids reduce nonenzymatic protein glycation and skin sallowness
Topical niacinamide-containing product reduces facial skin sallowness (yellowing)
Topical niacinamide-containing product reduces facial skin sallowness (yellowing)
Topical niacinimide reduces sallowness
Treatment of photodamaged facial skin with topical tretinoin
Topical 5-aminolevulinic acid combined with intense pulsed light in the treatment of photoaging.
Treatment of skin with adenosine or adenosine analog
Methods for identifying materials that can help regulate the condition of mammalian keratinous tissue