I have no business affiliation with Paula’s Choice other than I am a happy customer. Skin’s main function is to keep things out which it does a great job at. I bought two botles of Timeless vit c serum. If you are wondering how long a bottle of serum will last, it is hard to tell from the outside. Vitamin C will turn an orange or deep yellow once it starts to break down, so be sure to pay attention to the liquid itself the longer you keep it on your shelf. I have to agree with Dawn up above about Paula choice products at beautypedia.com I actually read the review from her site of any beauty product before I buy it. I’ve split the 1 oz. My serum is in a dark bottle and it’s sealed in its original bottle. Not too sure if I would order again. I have a small plastic funnel and wondered if that would be okay to use as long as it was freshly washed. Thanks for the suggestion! But if you're digging out last year's lightweight moisturizer, check the expiration date. Vitamin C is like Superwoman in a bottle. You can just pour off half into a smaller bottle and refrigerate. Here's how long they last, how to preserve them, and when to ... in general, unopened products have a shelf life of approximately two years when stored properly," says Stenzel. to extend the shelf life and get the most for your money. I’d throw it out or contact them for a refund or replacement if it’s dark yellow/brown/red. Actually the vitamins you should be most concerned about are the fat soluble ones like E D Fish oils. Hope that helps. great idea – am purchasing them as we speak! A new study by researchers in the US claims that the vitamin C content of popular ready-to-drink brands of orange juice can drop from 45 milligrams per cup to zero within four weeks after opening. Two experts share the truth about how long skincare and makeup products last for. Thanks! I ended up using the tiny funnel to make sure I didn’t spill any. I was wondering how you clean the cobalt bottles before putting new serum in them? Always spending so much money at cosmetic counters. Of course it does! As you wonder to yourself "how long does vitamin C serum last," consider that there. I would ease in to using a higher concentration of vitamin C… maybe start with once or twice a week and go up from there if you don’t have any irritation. Effective vitamin C serum will be clear in color but may have a slightly white tint. Other companies have now figured out how to make a very similar product with a ph that’s different, but still effective that doesn’t violate Skinceuticals patent. Hi Susan~ If it’s yellow, it’s oxidized so I wouldn’t use it. I poured half of my Timeless serum into the one with the dropper for immediate use, and half into the one with the cap to save for later. Susan. As you develop a skincare routine, you may wonder how long to wait between applying products such as serums or sprays, sunscreen and cosmetics. Love your site. Vitamin C: A potent antioxidant, Vitamin C brightens your skin while protecting it against aging free radicals. My Timeless Vitamin C serum and small blue bottles you recommended will be here Monday. Have you ever noticed that your Vitamin C serum turns a yellow or brown color after a few months? I don’t have other bottles to pour them in x, Hi Angie, one question and one ponder. After boiling and cleaning of course. Timeless 20% Vitamin C+E Ferulic Acid Serum. It looks 20 years younger than me! While there is not an exact date for when a skin care serum containing vitamin C and ferulic acid will expire, there are environmental factors — mainly light and air — that can affect the serum's shelf life and cause it to become ineffective at a quicker pace. Just let me know :) 2 comments. thx. So, if the Timeless bottle is already the dark cobalt, do you still think it’s necessary to by the stopper one too? Did you like this article? Looking for recommendations? →, https://www.youtube.com/watch?v=ACNGhPKnmok&t=25s. My question is, can’t u just re use the bottle the serum came in first time around for splitting and storing half in fridge? Unfortunately, each time you open the bottle, the serum is exposed to light and air, which causes it to lose its effectiveness. c sources so it could be more stable, but it’s probably less effective (at least in my opinion). The problem with it is that it’s an unstable molecule that oxidizes over time with exposure to light and air making it ineffective. Sunday Riley CEO Rapid Flash Brightening Serum or now known as CEO 15% Vitamin C Brightening Serum . Is it also ineffective if it’s cloudy? Put the other half into a bottle with a traditional cap and store it for later. Does Vitamin C serum really work? I have been searching for a new serum, and won’t pony up the $100 + for the Skinceuticals innocence it needs frequent replacement. Give it a try! Anything that can be done to decrease the ascorbic acid’s exposure to light, heat, and air will help to keep it from breaking down into its component molecules. The cost is great and I’m tempted to buy it, but my derm recommends the SkinCeuticals one. There is a lot of variation depending on the formula, but Wong says it can be a few weeks to a few years. I was thinking of purchasing a refillable vacuum pump to transfer the serum because droppers still expose the serum to air but these vacuum pump bottles only come in plastics. When it comes to the popular Vitamin C + E, Ferulic acid serum, it’s pretty well known that the ascorbic acid in the skincare serum is prone to breaking down in light and heat. The best way to tell if your vitamin C treatment has gone bad is to smell the product and check out its color.. Target My thinking in transferring it into 2 smaller bottles was that once you pour out half, that leaves lots of room for air in the original bottle (and it’s exposure to air that causes much of the oxidation). Obagi alo has this. I keep mine in the bathroom for daily use once it’s out of the fridge. How Long Do Vitamin Supplements Last in the Bottle?. I also keep mine in a amber color bottle. A bottle of our Vitamin C Serum has a 30 month shelf life when unopened so it should still be fine as long as the expiration date stamped on the bottom of the bottle is within range, however, if it smells or feels off, I am happy to replace it. ounce bottles online and transferring your product to them. Vitamin C + E Serum Power Players. Factors that can change how long your bottle lasts include: If you are looking for a great skincare counterpart to go with your Vitamin C + E serum, check out our Vitamin B5 serum and our other skincare products. Less contact with the air I’m thinking. Hey Angie. Unfortunately, that is no guarantee that you will never experience a breakout. Love your videos! ~angie, I purchased from the Timeless site and after requesting for a replacement, I received the reply above. I’m so excited to try your suggestions to make my serum last longer! Here’s one way to make vitamin C serum last longer! Vitamin C serums are acidic, which means they slough away dead cells from the skins surface leaving it brighter and smoother. If its oil based and the oils are rancid even before the due date it would actually be harmful. Expired tube of Vitamin C that's bad to use - it's brown and sour smelling. So, I’m going to add your suggestion to what I’m doing, because the extra couple of months is better in my wallet than the company’s. Colleen Rothschild The only brand I've seen expiration dates on are from PSF. Thanks so much. This may not seem like much but when you consider that you only need a small amount of the serum each day, an ounce lasts a long time. Storing them in a cool dry place fully sealed will help lengthen that shelf life even more. It’d be great if this could save you half a step and extend the life of 1 oz of serum to 5.5 – 6 months. What would be the harm? Sure, it can't quite leap over tall buildings in a single bound, but slathering on a daily ascorbic acid (a fancy way of saying vitamin C) serum or booster It may seem like a pretty fool-proof activity. . How Long Does the Skin Care Serum With Vitamin C and Ferulic Acid Last? To make your product last longer, consider purchasing two dark-colored half-ounce bottles online and transferring your product to them. The short answer is as long as you feel is … Let me know thanks. Or is it OK to take the serum that’s been refrigerated out of the fridge, and store it in the bathroom for daily use? How Long Does a Bottle Last With Continuous Use? Like you I use sparingly, but I am so glad to hear that you can slather away with this and use it up and for the price it is a great value! You rock!! During all those three months I had kept the second bottle sealed, in its box, and inside a cabinet, but when I opened it for the first time I realized it has turned yellow as well. I use it , but not sure about it . I have always used some line of skin care & anti aging products. Most of the time, you buy vitamin C serums that include ferulic acid in bottles meant to hold one ounce. © Timeless Skin Care 2020. I have been using Clinique’s 10%. Because half of the product will be completely in the dark until you are ready to use it, you save the product and save money in the process. 2) Pondering … could you get an additional 1/2+ month’s worth out of the serum if you kept the immediate-use portion in the original Timeless bottle? Its so difficult to find vit c serum with economical price in my country. Find out more about how vitamin C serum with ferulic acid can benefit your skin. Vitamin supplements typically bear an expiration date of a year or so from the time they're manufactured. I'm also impressed with the firming effects of their fermented natural peptides in the Night Repair Skin Fuel compared to other far more expensive peptide based products. I mean, I’m sure you’re reusing the small ones u suggested, right? Can I use the serum and moisturizer over the retin a? Mine is a 15ml deluxe trial size, which lasted me for almost 3 weeks with daily use in the morning and the occasional use in the evening. Can I substitude the brightening serum with vit c serum which you are using? I thought, maybe this serums do have an expiration date, no matter what you do. Couldn’t you just pour half of it into the regular lidded one and put that in the fridge? When that happens it’s oxidized and is no longer good to use, so it should be disposed of. The Obagi comes in 3 strengths; start with the mildest. The product is not going to deliver results overnight, but it certainly delivers when used long … There are some brands that use stabilized vitamin C esters, but it’s not clear if they’re as effective as those with L-ascorbic acid. Just wondering if you have an opinion about Philosophy Vit C powder? My question is I ordered my timeless c in may, kept it in the box in a cupboard. Check the expiration date on your vitamin supplements for the first indication of how long they'll last. Her own line of products are always correctly packaged and not tested on animals. That way you do not have to remove the dropper each day to apply, might help things to last a little longer. 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