I've used this product before with great success and was about to reorder when I found my old bottle. It's about 1 yr old, is it still effective?
1703539
It should be. I know vitamin c products lose some of their potency with time so it may not be as effective, but should still have some effect.
1703540
I have no idea, maybe ask the company. A bottle lasted me a year so I think because it's in a brown bottle as long as you didn't expose it to a lot of heat and humidity it should be okay.
1703541
I found a bottle I misplaced that was almost two years old. The quality was just the same for me - no issues at all. I just finished it off
381005
We had an old partly-used bottle that had been forgotten and the expiration date was in the past by months. Tried it anyway and it worked just fine - this is a good product, gentle and effective, and doesn't 'wear out in the bottle' very easily.
728658
The new red product was launched in early 2012, so your bottle may be that old. It should be fine if it has been un-opened. The antioxidant in the product will keep it well preserved if it has been sealed. The antioxidant will react with oxygen molecules, so it will gradually be depleted if exposed to the air. The new red version has about twice the dose of the same antioxidant, so you could always put in a bit more just to be sure. Keep your current bottle for future refills, the new bottles don't have the handy measuring feature (a cost reduction move)
641916
I'm not an expert but I have had a partially opened bottle for a year and it didn't seem to lose it's potency when it was used.
867479
I'm sorry. I just don't know. I was really disgusted with the product overall. Nothing like the bottle I purchased 10 years ago. I find new and improved usually translates to cheaper to produce so more profit to manufacturer. Consumers are on losing end of products that were great to begin with in my experience.
1373416
I ordered a fair-sized container around 3 months ago. I used it topically for about a month and a half on seborrheic keratoses, then took a break. I had good results, but when I went to use some of it again about a week ago, it seemed to have lost some of it's oomph. I will be ordering more, bur plan this time to order a smaller quantity. For my purpose, a little lasts a long time, and I don't think it keeps well long-term... just my experience. Also, beware of storing it in the dropper bottle. The little I had left was in a dropper bottle. Just a few days ago, the rubber bulb swelled up and actually burst!! I ordered a fair-sized container around 3 months ago. I used it topically for about a month and a half on seborrheic keratoses, then took a break. I had good results, but when I went to use some of it again about a week ago, it seemed to have lost some of it's oomph. I will be ordering more, bur plan this time to order a smaller quantity. For my purpose, a little lasts a long time, and I don't think it keeps well long-term... just my experience. Also, beware of storing it in the dropper bottle. The little I had left was in a dropper bottle. Just a few days ago, the rubber bulb swelled up... » Read More I ordered a fair-sized container around 3 months ago. I used it topically for about a month and a half on seborrheic keratoses, then took a break. I had good results, but when I went to use some of it again about a week ago, it seemed to have lost some of it's oomph. I will be ordering more, bur plan this time to order a smaller quantity. For my purpose, a little lasts a long time, and I don't think it keeps well long-term... just my experience. Also, beware of storing it in the dropper bottle. The little I had left was in a dropper bottle. Just a few days ago, the rubber bulb swelled up and actually burst!! « Show Less
883961
I am 81 years old and using the bottle is not a problem. I actually purchased this product to use on a trip East.
1713502
I have had my one bottle over 6 months. I believe as long as you keep it sanitary by using fresh q tips to stir it and to apply than it will keep fresh until it is gone.
1464585
If you keep the bottle tightly sealed between uses, it seems to last indefinitely. It's a great product, and I've been using it for over 18 years.
865070
I have had my 32 ounce bottle for about a year - expiration date found onthe bottom of the container says April 2015. I am sure it is as effective in 3 more years as it is now.. Heck even bottled water has an expiration date... I use it quite often - I am not gentle with my body even at 65 years of age and use this at least once a day if not more often after strenuous exercise of just the aches and pains of getting older.
511152
Not a chemist myself, but I just purchased a 2nd bottle- am quite pleased- not as harsh as the old Retin-A tube product was. I use it first after washing, then wait, then moisturizer. I'm 55 and was just told by a friend of mine who just had his 47th that he had assumed I was no older than 40 or so.
427103
Since they're sealed in separate packs, I doubt if their efficacy has been diminished regardless of how old they are. I'd recommend that you go ahead and use them, and I bet they'll be very effective. Mine certainly have been.
1693551
There isn't an expiration date on the bottles but given the list of ingredients, I wouldn't think it has more than year of shelf-life once opened. Probably OK to use but probably not as potent as when you first used it.
576589
I ordered mine (six bottles) early last year and it still seems to work well. I keep one bottle in the non-climate-controlled building outside and the others inside the house. The one I am using now (stored outside) still seems to work well.
907008
I've been using my 3 bottles worth for over a year..........I'm down to the last bottle and just looked at the date.......said best if used before 1/13. I just opened the last bottle and plan to use it. I think they are wonderful!!! I have always kept mine in the refrigerator....opened or not.
573374
I'm not sure. I haven't used it for some time...It seemed a little hit and miss when I was using it, but that could have been impatience. If you are not going to clone very often I wouldn't suggest it as it is quite a big bottle, but if you are planning on cloning a lot you won't need to worry about shelf life. Anyway, I hope this helps.
986344
Yes, this is still the same as it was many years ago. I have been using this for over 20 years. Really don't remember at what age I started. But it leaves no buildup.