Freckles yog pigmented lesions tshwm sim los ntawm kev nce hauv melanin ntawm daim tawv nqaij. Freckles feem ntau yog vim cov caj ces, vim cov noob muaj feem cuam tshuam rau kev tsim, faib thiab cov metabolism hauv melanin, thiab cov poj niam muaj freckles ntau dua li cov txiv neej. Ntxiv nrog rau cov yam ntxwv ntawm caj ces, kev raug tshav ntuj thiab UV raug kuj tuaj yeem ua rau kev loj hlob ntawm freckles.
Cov tswv yim daws teeb meem:
1. inhibit melanin tsim: Siv cov khoom xyaw uas tuaj yeem inhibit melanin synthesis, xws li vitamin C.
2. Kev tiv thaiv tshav ntuj: Pom tseeb, kev tiv thaiv tshav ntuj yog qhov tseem ceeb, yog li xaiv cov tshuaj pleev thaiv hnub nrog SPF siab ntawm 50.
3. Siv cov khoom uas ua rau cov tawv nqaij tawv tawv: Xaiv cov khoom uas muaj cov khoom xyaw xws li arbutin, salicylic acid thiab glycyrrhizin.
