Using Crushed Vitamin C Tablets for Face Mask and Rose Hip Oil for Acne Scars

Regarding your additional questions:

1. Using crushed Vitamin C 500mg tablets mixed with water as a face mask:

   • In principle, this can be used because the main ingredient is L-Ascorbic Acid, which is the form of Vitamin C used in cosmetics.
   • However, Vitamin C tablets contain other ingredients (like binders) to form the tablet.
   • Therefore, when crushed and mixed with water, the powder obtained is not 100% pure Vitamin C.
   • The actual concentration of L-Ascorbic Acid needs to be calculated based on the amount of L-Ascorbic Acid specified on the label (e.g., 500mg) compared to the total weight of the crushed tablet.

2. Rose Hip Oil for old acne scars:

   • Rose Hip Oil is recommended for acne scars.
   • For old acne scars, the effectiveness may vary from person to person, depending on several factors such as age, scar depth, and scar type.
   • The best way is to try it out. Some people may see good results, while others may not.