Take as directed by the pharmacist or physician. For daily over-the-counter cosmetic use, apply 3 to 4 drops once or twice daily. 

Contraindications of Face Facts Vitamin C Serum

• Hypersensitivity: Do not use if you are allergic to Vitamin C derivatives or any of the stabilizing ingredients.
• Broken Skin: Avoid applying directly over weeping eczema, open wounds, or highly inflamed cystic acne lesions.
• Allergy Check: Discontinue immediately if you have a known history of severe skin reactions to topical serums.

Side Effects of Face Facts Vitamin C Serum

• Common: A mild, temporary tingling sensation or slight redness upon initial application.
• Rare: Localized skin irritation, itching, or breakouts if your skin barrier is highly compromised.
• Action: If persistent redness or a burning sensation occurs, wash the product off with water and reduce use to every other day.

Precautions and Warnings

• Sun Protection: Vitamin C enhances the effectiveness of sunscreens, but you must always apply a broad-spectrum sunscreen ($\text{SPF } 30+$) during the day to protect newly brightened skin.
• Ingredient Conflicts: Avoid layering this serum in the exact same routine step as copper peptides or high-strength direct acids (like glycolic or salicylic acid) to prevent product degradation and skin irritation.
• Skin Patches: Always perform a quick 24-hour patch test on your inner arm or jawline before applying it over your entire face.

Pack Size: 50 ml bottle with an integrated dropper.

Form: Topical Facial Serum.