I developed a tan around my facing after using the serum. My family would ask if I got a tan or that I looked tan. I notice it during a ran time that I was on camera for a video call. I was like OMG!! My hair line is darker than my face. After researching I learned that without using an SPF skin staining and darkening can result. I've stopped using the serum (realizing the darker tone after using the entire bottle). I am now seeking alternatives to return my skin to its original color.

[This review was collected as part of a promotion.] I used Oil of Olay Regenerist Vitamin C Peptide 24 hour Serum a few times and my skin looks clean and bright! It's light and thin feeling. The scent is mild and refreshing. It is a tad sticky for a bit after it dries, but it didn't bother me.

Purchased 2 bottles of this product. My skin is having a terrible reaction. I'm all puffy, splotchy and red.

[This review was collected as part of a promotion.] I didn't know what to expect with this OKAH Vitamin C+ Peptide 24 Brightening Serum but I did really like it overall! It absolutely made my skin feel brighter and hydrated. Bonus- it smelled great! Very fresh.

[This review was collected as part of a promotion.] I have been using this Olay Vitamin C + Peptide 24 Brightening Serum for about a month. I really like it! It goes on smoothly and you only need to apply a few drops on each cheek to cover your whole face and neck. The bottle has a lot in it and will last you a long time. It has a nice, light scent that goes away pretty quickly once applied. The bottle itself has a really easy to use applicator that allows you to control how much serum you want to come out. Overall this is a quality product that I would definitely recommend. It can be used alone or in combination with a face cream. I received this product from PINCHme in exchange for an honest review.

[This review was collected as part of a promotion.] I'm actually quite surprised. This Regenerist Vitamin C + Peptide 24 Serum is absolutely amazing. I was a bit dubious regarding its effectiveness, but after a few applications I could immediately tell the difference in my skin. It smoothed out my skin & made the pores seem invisible. I'll definitely be buying more Olay products in the future. If you're doubting Don't! Go ahead and buy it. You won't regret it.

[This review was collected as part of a promotion.] Regenerist Vitamin C + Peptide 24 Serum from Olay has left me underwhelmed. I love other products from Olay so I'm sad to report that I found this one ineffective. The positive sides of this product is that it smells great and feels good on the skin.

[This review was collected as part of a promotion.] OLAY REGENERIST VITAMIN C + PEPTIDE 24 SERUM, 1.3 FL OZ I have been using a couple of weeks now and I can tell a difference. My skin looks brighter! BRIGHTENING + VITAMIN C SERUM: Facial serum hydrates to visibly brighten skin. I only use after I have washed my face and there is a dropper that comes with the bottle to get precise measurements. It also has vitamins. On top of that, vitamin C is an antioxidant, meaning it protects skin cells from damaging free radicals caused by UV exposure. It also inhibits melanin production in the skin, which helps to lighten hyperpigmentation and brown spots, even out skin tone, and enhance skin radiance.

[This review was collected as part of a promotion.] I received this product from Pinchme. I've enjoyed using this product everyday and have noticed an improvement in my skin. My skin has been brighter and more even toned. It's a great product...highly recommend

[This review was collected as part of a promotion.] Olay regenerist vitamin c serum seems to make my skin dry and parched. Though the citrusy fragrance is very appealing, it lags behind in fulfilling the expectations that I hoped with this serum.