Index / Timeless / 10% Vitamin C + E Ferulic Acid Serum
Timeless

Timeless 10% Vitamin C + E Ferulic Acid Serum.

About this product

A vitamin C serum with 10% L-ascorbic acid, combined with vitamin E and ferulic acid, which are designed to help stabilize the vitamin C.

Full ingredients

Water, Ethoxydiglycol, L Ascorbic Acid, Propylene Glycol, Alpha Tocopherol, Polysorbate 80, Panthenol, Ferulic Acid, Sodium Hyaluronate, Benzyl Alcohol, Dehydroacetic Acid

More from Timeless 12 products · Guru Score 96% →

Guru Score

83%

Yay

6 experts · Moderate agreement

What the gurus are saying

The 10% strength is the detail that keeps coming up, and it is seen as the gentler start for sensitive skin or anyone new to vitamin C. Vitamin E and ferulic acid help stabilize the vitamin C, and the serum is praised as an affordable alternative to pricier serums. The 20% version is stronger, so those new to it may want to start with the 10%.
Synthesized from 6 expert reviews · most recent take May 2026

What they liked

  • 10% strength, gentler than higher doses
  • Budget dupe for Skinceuticals CE Ferulic
  • Opaque pump protects stability

What they flagged

    Nothing. None of the experts who reviewed it raised a problem.

    Type

    Key actives

    Formula notes

    Fragrance-freeNo drying alcohol

    Where to buy

    Opens a store search. We may earn from these links.

    Scan it in the shopFree iPhone app. Scores in the aisle.

    What the gurus are saying.

    Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.

    All takes Yay takes Nay takes Mixed takes Hide sponsored
    ✓Yay
    "One of my personal favorites is Timeless. This is the Timeless 10% Vitamin C + E Ferulic Acid Serum. They do 10, they do a 20. As with the retinoids earlier, I would say start with the 10, work your way up to the 20. Maybe use two bottles of the 10, then buy the 20. That way, your skin can get used to it, minimize side effects and irritation. Vitamin C helps create more collagen, but it's also preventative. It prevents that collagen degradation. So it's a bit of a double whammy."
    All 12 takes from Mad About Skin
    NEXT LEVEL WRINKLE REDUCTION - 5 Best Anti Aging Serums 2026 (What We Now Know)
    "One of my personal favorites is Timeless. This is the Timeless 10% Vitamin C + E Ferulic Acid Serum. They do 10, they do a 20. As with the retinoids earlier, I would say start with the 10, work your way up to the 20. Maybe use two bottles of the 10, then buy the 20. That way, your skin can get used to it, minimize side effects and irritation. Vitamin C helps create more collagen, but it's also preventative. It prevents that collagen degradation. So it's a bit of a double whammy."
    The FUTURE OF ANTI AGING - Ultimate Skincare Routine 2025
    "If you like to just use your vitamin C every single day, that's absolutely fine. My recommendation would probably be this, the Timeless Vitamin C 10%. A little does go a long way."
    Move Over Retinol - TOP 5 ANTI AGING SKINCARE INGREDIENTS
    "If you're shopping in the North American market, Timeless does a 10% option which is phenomenal."
    ITS OVER FOR SKINCEUTICALS - Best Vitamin C Serum For Face
    "This is basically an exact dupe for the Skinceuticals CE Ferulic. It's got the penetration enhancing ingredient that the Skinceuticals one has in it to get that vitamin C into the skin to get working, it's got the ferulic acid and the vitamin E alongside it which is part of the patent that L'Oreal has for that Skinceuticals product. This is basically a dupe, it's better though because it's in a truly airless pump so it lasts longer."
    Top 10 VITAMIN C SERUMS 2025 - Best Vitamin C Serum For Face
    "I actually find I got better results from this than the $150 skin suiticles. This is a fraction of the cost. [...] With this one, don't go wild and put 12 on order because whilst it is in airtight packaging, you will still get some oxidation if you leave it too long. So, I put like a maximum of two on order because you don't want it to be sitting around losing efficacy. [...] I like the 10%, I like the 20%. It really just comes down to individual skin sensitivity and needs."
    ULTIMATE SKIN BRIGHTENING - Best Vitamin C Serums 2025
    "Great pH for maximum absorption. It also has a penetration enhancing ingredient in here, which is amazing if you're looking to double down on the speed at which you get your results. Just a nice blend of antioxidants, and it comes in an airless pump, so if you're somebody that likes your airless pump packaging, this is a really great option. That will extend the shelf life of this vitamin C from three months to something like four or five months."
    GREATEST BUDGET SKINCARE EVER - Top 3 Drugstore Skincare In Every Category
    "These are the timeless vitamin C's. This is the 10% in [...] the larger bottle. [...] Generally speaking, 10% better for sensitive skin. [...] You get antioxidants and vitamin C together in this beautiful packaging, beautiful formulation, the best skin suiticles dupe out there. Skin suit is like £130. This is something like 19. [...] Vitamin C works best when it's fresh. So go with the size that meets how much you're actually going to use it and that way it keeps fresh for longer."
    ULTIMATE SKINCARE 2024 - Best Black Friday 2024 Skincare Deals
    "This is the Timeless 10% Vitamin C, and I use the 10% strength. They do a higher strength version which people absolutely rave about, but for me it's a little too prickly on the skin. I find the 10% just works the best. One of the most effective vitamin C's out there and a beautiful formulation. Because Timeless [...] formulations don't have the longest shelf life, their average product will last about 6 months from the date it arrives, so don't buy too much that potentially could waste it."
    5* ADVANCED ANTI AGING - Best Growth Factor Pairings (Better Than Botox)
    "There are a couple of options to go for, and one of my personal favorites is this, the Timeless 10% Vitamin C. They do a 20% too, and I'll link both in the description, but for me the 10% is where it's at, minimum sensitivity, maximum results. This I love, it stays so fresh, meaning it just packs a punch from day one."
    5* ADVANCED ANTI AGING - Move Over Tretinoin (Best Anti Aging Pairings)
    "One of my absolute favorite vitamin C's is this, the Timeless 10% Vitamin C plus E Ferulic Acid Serum. They do a 20% as well, it depends on the level of sensitivity you have in your skin."
    AGE IN REVERSE - Best Anti Aging Skincare Ingredients 2024
    "Timeless vitamin C, this is the 10% version which is similar if not exactly equivalent, is a great option that's easy to get your hands on in the US in particular and a great product. I love this because again it's got those antioxidants alongside it."
    🏆 SKINCARE AWARDS - 5 Best Serums 2024
    "If your skin is more resilient, you're an established vitamin C user, you can go for the 20% and you're probably going to see some enhanced results, but for me 10% just works universally. I think it's super easy to fit into a skincare routine and I get some great results. You guys have been asking me to try this out and review it for the longest time. Around 3 months ago I finally decided to take the plunge, the fear of missing out crept up on me, and I've never looked back. This is phenomenal."
    ✓Yay
    "This is a 10% L-ascorbic acid plus vitamin E and ferulic acid serum, which are the same three trifecta ingredients that you will find in Skinceuticals C E Ferulic, but this one is way, way more affordable and in my opinion, in my experience, it is every bit as good as that one and you save over $100 on this one. Vitamin C serum [...] is an absolutely crucial ingredient in a very well-rounded anti-aging routine."
    All 6 takes from The Budget Dermatologist
    Anti-Aging on a Budget: The Morning Routine I Swear By!
    "This is a 10% L-ascorbic acid plus vitamin E and ferulic acid serum, which are the same three trifecta ingredients that you will find in Skinceuticals C E Ferulic, but this one is way, way more affordable and in my opinion, in my experience, it is every bit as good as that one and you save over $100 on this one. Vitamin C serum [...] is an absolutely crucial ingredient in a very well-rounded anti-aging routine."
    You DON’T Need Skinceuticals $185 Vitamin C Serum! | Buy THIS Instead…
    "This is one of my all-time favorite budget friendly swaps for that really expensive skin care product. This usually is $26 or $27, but last year I got this for 50% off. [...] This is 10% vitamin C, L-ascorbic acid, which is right in that range of 10 to 15% that is effective. It also comes in a 20% version. [...] This also has vitamin E and ferulic acid in it. Another thing I love about this that I think makes it even better is its packaging. It is an opaque closed container with a pump top."
    Do You Need a 12-Step Morning Skincare Routine? | The Budget Derm Explains
    "This is a great example of a super budget friendly vitamin C serum that really works. It's very similar to the Skin Suiticles formulation, but this has 10% vitamin C in it instead of 15 like the Skin Suiticles. You don't need 15 to work. You need somewhere between 10 to 20. 10 is great for rosacea prone or sensitive skin. This also has vitamin E and ferulic acid, the trifecta to stabilize vitamin C and have it work the best."
    Vitamin C NEWS + Current Favorite Vitamin C Serums from The Budget Derm
    "This one by Timeless is so so so affordable, I think baseline it's under $30 and then right now 40% off. I love the packaging of this, everything about this product is a 10 out of 10. If you don't need this unless you are like a rockstar vitamin C user, you are an advanced user, you've used it a long time, you don't have sensitive skin and you have like really stubborn dark spots or wrinkles."
    12 DAYS OF SKINCARE FAVORITES! | THE BUDGET DERM TOP PICKS 2024
    "This is one of my favorite L ascorbic acid serums, which is way more affordable than the THD serum. This one by Timeless is the 10% vitamin C. You can get results with this. I strongly wholeheartedly believe you can get incredible vitamin C results from this just as much as you can from the $182 vitamin C serum. We don't need that. Their L ascorbic acid vitamin C E ferulic is amazing."
    How To Pick a Budget Vitamin C Serum For YOUR Skin! | The Budget Derm Explains
    "This one also contains vitamin E and ferulic acid so this is going to be my recommendation for somebody who really loves that skin optical type of vitamin C serum"
    ✓Yay
    "Timeless has really good vitamin C products. These are 10% ascorbic acid as well as a 20%. The orange one is the 10 and the yellow one is the 20. It comes in an opaque pump which I prefer to a dropper. It retails for 24 bucks."
    All 2 takes from Dr. Shereene Idriss
    Skincare for Your 20s: Acne, Post-Inflammatory Hyperpigmentation, Oily Skin | Dr. Shereene Idriss
    "Timeless has really good vitamin C products. These are 10% ascorbic acid as well as a 20%. The orange one is the 10 and the yellow one is the 20. It comes in an opaque pump which I prefer to a dropper. It retails for 24 bucks."
    Best Drugstore Anti-Aging Budget Friendly Skincare Under $35! | Dr. Shereene Idriss
    "Timeless is a skincare brand that has a nice dupe at twenty dollars. They have both a ten percent vitamin C ascorbic acid and they have the yellow one which is at twenty percent. These are good dupes at affordable prices for the active form of vitamin C."
    ✓Yay
    "For someone who wants to see if vitamin C works for them, you still get benefits at 10%, it's more gentle, and historically vitamin C had been very expensive but this one was relatively affordable. It's their bestselling product, a great option if you want ethyl ascorbic acid at an affordable price point without spending $185 on a vitamin C serum."
    Sponsored
    All 2 takes from Doctorly
    Black Friday Beauty Discounts 2024 | Doctorly Favorite Picks!
    "I'm particularly fond of the 10% vitamin C because I think it's pretty hard to find a 10% vitamin C. We know from studies that that is sufficient to be effective, and also the irritation is lower the lower the concentration you get. So I think this is a perfect vitamin C serum if you're looking for a new one or even if you want something to last with you over time and you have sensitive skin. 10% is great, my favorite product from them."
    Explaining the Top Skincare Ingredients: Glycolic Acid, Retinol, Arbutin, and More
    "For someone who wants to see if vitamin C works for them, you still get benefits at 10%, it's more gentle, and historically vitamin C had been very expensive but this one was relatively affordable. It's their bestselling product, a great option if you want ethyl ascorbic acid at an affordable price point without spending $185 on a vitamin C serum."
    ✓Yay
    "I love this brand and I will still continue to use this brand. Ascorbic acid has a lower pH. It's more acidic. And so, this is going to create that cell turnover and it works a little bit quicker. With vitamin C derivatives, they have a higher pH around five or six. The same pH is what your skin is naturally, which is why it tends to be more gentle, but with derivatives, they can take a little bit longer to work as well."
    Sponsored
    All 7 takes from Sincerely Miss Ash
    THE TRUTH ABOUT WHY I REMOVED VITAMIN C FROM MY SKINCARE ROUTINE AND WHAT HAPPENED WHEN I RESTARTED
    "I love this brand and I will still continue to use this brand. Ascorbic acid has a lower pH. It's more acidic. And so, this is going to create that cell turnover and it works a little bit quicker. With vitamin C derivatives, they have a higher pH around five or six. The same pH is what your skin is naturally, which is why it tends to be more gentle, but with derivatives, they can take a little bit longer to work as well."
    AMPLIFIED RESULTS! 9 PRO VITAMIN C PAIRINGS TO LIMIT SIGNS OF AGING- ACHIEVING RADIANT/GLOWING SKIN
    "The 10% is amazing. I've used it many times over the years and it's also really effective. It does give that brighter complexion. [...] This formula is truly on point. It's very thin and lightweight, it's like water, your skin absorbs it really nicely, and it's definitely one of my favorite vitamin C formulations on the market."
    5 SKINCARE PRODUCTS TO ACHIEVE A BRIGHTER COMPLEXION IN JUST 30 DAYS OR LESS - RESULTS GUARANTEED!
    "I do quite enjoy the Timeless vitamin C. They have a 20% and a 10%. My go-to vitamin C is the pure form ascorbic acid. I love the Timeless vitamin C. It has a super vitamin E in here which actually has more antioxidant properties to it and there is hyaluronic acid. I keep this in the fridge and it's lovely."
    8 BEST VITAMIN C SERUMS 2023 | GLOWING SKIN GUARANTEED! ANTI-AGING OVER 30
    "I have seen great results with this, which is why I am sharing the 10% as well. It contains vitamin E and ferulic acid, has a very thin and lightweight texture like water, and comes in a nice pump style packaging in glass, which is really nice. I have experienced the odd leak here and there, but I like this brand because it's affordable. They offer different sizes as well and different strengths."
    HOT SALE🔥 TIMELESS SKIN CARE 50% OFF BLACK FRIDAY SALE - THESE ARE THE BEST ANTI-AGING PRODUCTS!
    "It's really affordable with different size options. If you don't want to use the 20% strength, they have a 10% and it's a little bit less potent but at the end of the day it still works really well and you still get great results. It really does brighten the heck out of your skin. If you're looking for a good vitamin C serum, honestly the Timeless brand is worth looking into."
    🔥BEST BLACK FRIDAY/CYBER MONDAY SKINCARE SALES 2025! MUST-HAVE ANTI-AGING PRODUCTS & MAJOR DISCOUNTS
    "I love Timeless. I love their vitamin C serums, especially. This is the 10%, but I also really love the 20%."
    6 POWERFUL ANTI-AGING SKINCARE PRODUCTS TO LIFT, TIGHTEN, AND FIRM SKIN - SINCERELY MISS ASH
    "Timeless has a wonderful [...] 10% option if you want to use something that isn't as strong. It has that milky consistency to it and I love pairing coenzyme Q10 with vitamin C specifically ascorbic acid. I generally put the vitamin C serum on first then this afterwards then my moisturizer and then my sunscreen."
    ✓Yay
    "The other thing that they came out with this year is the same vitamin C serum but in a 10% strength, because a lot of people can't use the 20%, it's just a little bit too strong. This is all the same great helper ingredients and the same formula as the 20%."
    Sponsored
    All 6 takes from HotandFlashy
    Summer Skincare Routine Vlog!
    "The vitamin C that I put on my neck is also from Timeless, it's their 10% vitamin C serum so this is going to be just a little bit gentler than the 20 version."
    Best Skincare & Anti-Aging of 2023! Everything You Need to Age Backwards At Home!
    "The other thing that they came out with this year is the same vitamin C serum but in a 10% strength, because a lot of people can't use the 20%, it's just a little bit too strong. This is all the same great helper ingredients and the same formula as the 20%."
    Best of 2022 ~ Skincare + Anti Aging!
    "Timeless also came out with a 10 vitamin C serum this is an ascorbic acid serum just like this one but it has 10 instead of twenty percent so for those of you with sensitive skin or if you just want to ease into adding a new acid into your skincare routine you could go ahead and give the Timeless 10 a try."
    Faves + Fails! Neck Serum, Retinol Body Lotion, Sunscreen, & Bar Shampoo?
    "They recently came out with a 10 percent vitamin C serum, and [...] this one can be a little bit too harsh for my neck, so I was really happy when they came out with the 10. I've been using the 10 on my neck lately and that's working out really really well."
    FAVES + FAILS! New BEAUTY Loves + HOME + FASHION | October 2022
    "I love the Timeless 20% Vitamin C Serum, but I keep forgetting to tell you guys that they make a 10% version. This is an ascorbic acid based vitamin C serum with the ferulic acid and the vitamin E, and it's formulated at the correct pH. This has 10% vitamin C in it, so if your skin is sensitive or if you're never able to use the 20% product, this will be a little gentler on your skin. So if you had ever tried the 20% and couldn't use it, then definitely give the 10% a try."
    Faves + Fails July 2021!
    "They came out with one with 10% vitamin C for those people who have super sensitive skin. [...] They did send me this one in PR for me to tell you about it, but I'm always excited to share anything new that Timeless has because I just love that company. [...] If you were never able to use that because your skin is too sensitive, then this 10% is going to be great."

    What the evidence says.

    Independent of what the gurus think, this is what the published research supports about the main active ingredients here.

    Vitamin C

    Topical vitamin C is an antioxidant with reasonable evidence for dullness and uneven tone. It breaks down in light and air, so how a product is formulated and packaged matters as much as the percentage on the front.

    Source: DermNet

    Humectants and emollients

    Ingredients like these draw water into the surface layers and slow how fast it leaves. The evidence is for comfort, softness and hydration rather than for changing the structure of the skin.

    Source: DermNet

    Vitamin E

    Vitamin E is an antioxidant, and it is often in a formula to keep the other ingredients stable rather than as the active itself. It pairs well with vitamin C, though on its own the evidence for visible change is limited.

    Source: NIH, National Library of Medicine

    Frequently asked.

    What is Timeless 10% Vitamin C + E Ferulic Acid Serum?

    A vitamin C serum with 10% L-ascorbic acid, combined with vitamin E and ferulic acid, which are designed to help stabilize the vitamin C.

    Is Timeless 10% Vitamin C + E Ferulic Acid Serum worth it?

    Yes. All 6 gurus who reviewed it give it their stamp of approval, for a Guru Score of 83%.

    What is Timeless 10% Vitamin C + E Ferulic Acid Serum's Guru Score?

    Timeless 10% Vitamin C + E Ferulic Acid Serum holds a Guru Score of 83%. That is our read on how warmly the experts talk about it, based on the verdicts of 6 expert reviewers we have collected.

    Same formula, worth a look.

    Products built around the same core actives as this one, with what the experts make of each.

    See how they stack up →

    Similar products worth a look.

    Other products the same gurus have weighed in on, plus more from this brand and category.

    Compare side by side →

    Spotted something on this page that doesn't look right? Let us know.

    Share this score

    Add this badge to your blog or website. It links back to this page and updates itself when the experts change their minds. Free, no sign-up.

    Then paste it into your site's HTML or embed block.

    This week's top beauty news, in your inbox.

    A weekly read of the takes worth catching up on: the raves, the splits, the ones the gurus won't shut up about. Free, no spam, unsubscribe whenever.

    Subscribe to the digest