I just now spoke to Cellex C cust svc. dept. They say do not buy from Amazon it is not an authorized dealer. How can I be sure this is authentic?

Amazon does not distribute the product, Beautystoredepot does, and we are an authorized reseller of Cellex C products, and have been for many years. Thank you!

How many people found it expired?

I believe the cellex-c I ordered in October 2013 had the expiration date January 2014. I opened up the advanced c serum, and it was a very yellow color. I sent it back with the latter explanation and received another bottle with the exact same date. This was the first time I ordered through Amazon....and the last time.

Is the bottle sealed and what is the expiration date on bottles sold now?

The bottle was completely sealed in box. I forgot the expiration date but it was on or around the 6 month mark. It did turn dark yellow pretty quickly from oxidation, but when fresh it is a clearer color. I hope this helps!

How long does the bottle last assuming 1 application per day?

I've been using once per day on face only ... started using it around August 30th. Have about 3 days worth remaining in bottle so I would say about 2 months which is great considering the excellent quality of this serum ;o) This serum is amazing! PS Can't figure out out folks are able to use it for 3 months because I use about 3 drops every morning and it certainly didn't last 3 months. Have ordered another bottle, hopefully will arrive by next week.

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✨ Unlock your skin’s glow with science-backed power!

RADIANCE BOOSTER - Fights free radicals to reveal brighter, healthier skin every day
COLLAGEN GUARDIAN - Natural collagen protectors help maintain youthful skin elasticity
WEIGHTLESS HYDRATION - Oil-free, aqueous serum that absorbs instantly without residue
DAILY ESSENTIAL UPGRADE - A professional-grade formula designed to be your skincare regime’s MVP
NEXT LEVEL SKIN DEFENSE - Packed with free form & hydrolyzed L-ascorbic acid for maximum antioxidant power

Cellex-C Advanced-C Serum is a professional, lightweight, oil-free skincare solution featuring a high concentration of Cellex-C Complex and both free form and hydrolyzed L-ascorbic acid. This 30 ml serum delivers potent antioxidant protection and natural collagen support, making it an essential daily product for radiant, youthful skin.

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