How long does this last?

In the dark glass bottle with dropper in the frig, the 120ml (4 oz) refill lasts my wife and I several months, transferring into small 10ml bottles for use. But just got it in a new plastic dispenser bottle that's (intentionally?) wasteful and unlikely to last. The product is unparalleled, but I'm sending this package back.

I don't know the pH ( Timelessha.com should be able to help--I find their customer service to be on point), but common sense would dictate that the solution was acidic, given it's high Vitamin C concentration. I can tell you that this serum WORKS...it's as efficacious as a Skinceuticals formulation I was using at a fraction of the $150 I was paying. Good luck!

Hi, is the product clear and not gone yellow? Last time I ordered it was all oxidised.

Hi there, common misconception is that this product is "bad" if it's not clear. Per the manufacturer: When freshly manufactured, the 20% Vitamin C + E Ferulic Acid serum is cloudy and thick in appearance, with slight yellowing. As the serum begins to age it starts to clear up, then begins with hints of yellowing, which is normal due to the Ferulic Acid, not the vitamin C. As long as it is in a yellow state, it is okay to use.

How far out is the 4oz bottle expiration date (if you don't refrigerate it)? If you do refrigerate it, should it be put in fridge or freezer?

I honestly don't remember the exp dates, but I do keep it in the refrigerator and it stays nice and clear for several months (or until I use it up). I've been using this product for several years on my face, hands and arms and find the 4 oz is by far the best way to go. The prices flux considerably so keep an eye on that!

Vitamin C Serum With Vitamin E And Ferulic Acid Brightening

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€ 109.42

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Sold byAmazon SloveniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✨ Glow like you mean it — science-backed brilliance in every drop! ✨

UNIVERSAL GLOW - Formulated fragrance-free for both oily and dry skin types—because flawless is for everyone.
SHIELD YOUR SKIN - Powerful antioxidant combo of Vitamin E & Ferulic Acid defends against daily pollutants.
RADIANCE RELOADED - Megadose 20% Vitamin C brightens and evens skin tone for that enviable glow.
EFFORTLESS ELEGANCE - Lightweight, fast-absorbing gel serum layers seamlessly under makeup or moisturizer.
CLEAN BEAUTY PROMISE - Cruelty-free, paraben-free, and dye-free for skin you can trust and flaunt.

Timeless Skin Care’s Vitamin C Serum delivers a potent 20% Vitamin C formula enhanced with Vitamin E and Ferulic Acid to brighten, even skin tone, and protect against environmental damage. This fragrance-free, lightweight gel serum suits all skin types, including oily and dry, and supports healthy skin cell turnover without irritation. Packaged in a generous 4 oz size, it’s a clean, cruelty-free skincare essential designed for daily use to reveal radiant, resilient skin.

Specifications

ASIN	B00XBOUAAW
Active Ingredients	vitamin c,vitamin e
Best Sellers Rank	#490 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #19 in Facial Serums
Brand	Timeless Skin Care
Brand Name	Timeless Skin Care
Customer Reviews	4.3 out of 5 stars 12,711 Reviews
Item Form	Gel
Item Weight	4 Ounces
Manufacturer	Timeless Skin Care
Manufacturer Part Number	CEF-REFILL
Material Features	Antioxidant, Natural
Material Type Free	Non-greasy
Model Number	CEF-REFILL
Number of Items	1
Product Benefits	Brightening
Recommended Uses For Product	Provides Vitamins
Scent	Unscented
Scent Name	Unscented
Skin Tone	All
Skin Type	All
Special Ingredients	20% vitamin C + E ferulic acid serum
Target Use Body Part	Face
UPC	786714777901
Unit Count	4.00 Fluid Ounces
Use for	Face

Reviews

R**N

30.04.2026

A**R

3.03.2026

C**Y

16.01.2026

S**N

23.02.2026

M**W

30.03.2026

L**S

28.02.2026

S**.

13.03.2026

K**A

24.02.2026

A**R

1.04.2026

M**B

17.11.2025

A**A

29.03.2026

Z**K

27.04.2026

Y**6

20.07.2023

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

€ 109.42

Duties & taxes included

In stock

Sold byAmazon SloveniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovenia.

Secure transaction

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Vitamin C Serum with Vitamin E & Ferulic Acid - Brightening Serum - for Oily & Dry Skin - Fragrance-Free - 4 oz

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Description

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Common Questions