這是自然、符合國際保養品頁面用語的英文版本：

FAQ

When should I use the Whiteora Brightening Serum?

Use it at night as part of your evening skincare routine. Apply evenly after toner and before moisturizer.

Can I use it every day?

Yes. Daily nighttime use is recommended for consistent brightening care.

Can I use it during the day?

This serum is recommended for nighttime use only. Cleanse your face the next morning and apply sunscreen during the day.

Do I need to rinse it off?

No. Allow the serum to absorb completely, then follow with your moisturizer or cream.

Should I wash my face the next morning?

Yes. Cleanse your face with water or a gentle cleanser before continuing your morning skincare routine.

Do I need to wear sunscreen during the day?

Yes. Daily sunscreen is recommended, whether you stay indoors or go outside, to help protect your skin and maintain the benefits of your nighttime skincare routine.

Can I use it with the Whiteora Brightening Mask?

Yes. For best results, use the Brightening Mask first, then apply the Whiteora Brightening Serum and finish with a moisturizer as part of your nighttime skincare routine.

Can I use it with retinol or exfoliating acids?

If you are using retinol, AHAs, BHAs, or other highly active ingredients, we recommend alternating their use according to your skin's tolerance to minimize potential irritation.

Is it suitable for sensitive skin?

Skin conditions vary from person to person. If you have sensitive skin, perform a patch test before first use and discontinue use if irritation occurs.

How long does it take to see results?

Results vary depending on your skin type, melanin levels, and lifestyle. Consistent use together with daily sunscreen helps maintain a brighter, healthier-looking complexion.

Will using my phone or indoor lighting at night affect the results?

Normal indoor lighting and regular phone use will not significantly affect the product's performance. For optimal nighttime skincare results, sleeping in a darker environment is recommended.

Can I use it during pregnancy or breastfeeding?

If you are pregnant or breastfeeding, please consult your healthcare professional before use if you have any concerns.

How long does one bottle last?

One 50ml bottle typically lasts 1–2 months, depending on the amount used each day.

The information provided on this page is for general skincare reference only.

Results may vary depending on individual skin type and condition. This product is a cosmetic skincare product and is not intended to diagnose, treat, cure, or prevent any disease. If you have sensitive skin or any skin condition, please consult a healthcare professional before use.