20% Vitamin C + E Ferulic Acid Serum — Reddit Reviews
by Timeless
Updated August 15, 2026
High 20% L-ascorbic acid concentration for strong brightening and collagen support
What the community says
20% L-ascorbic acid serum brightens, fades hyperpigmentation; can cause irritation and acne.
What this means for you
Backed by 30 threads from r/SkincareAddiction, r/30PlusSkinCare and 4 more.
Read the threads ↓What people love
- High 20% L-ascorbic acid concentration for strong brightening and collagen support
- Affordable dupe of premium antioxidant serums with ferulic acid and vitamin E
- Airless pump limits oxidation, extends shelf life compared to droppers
Watch out for
Product details
Use caution
Skin Type
Values
Product Traits
Key Ingredients
Where to buy
Real Reddit threads — 275 mentions across 30 threads
Timeless 20% Vitamin C + E Ferulic Acid Serum on Reddit, in one place — 30 threads from r/SkincareAddiction, r/30PlusSkinCare and 4 more, summarized.
“Timeless vitamin C serum has been working well for the past 6 weeks or so.”
Positive
“I have acne prone skin and TO vit C in silicone broke me out and gave me clogged pores.”
Positive
“That could be just me. Timeless vitamin C serum has been working well for the past 6 weeks or so.”
Positive
“i’ve always had issues with the pump on the Timeless Vitamin C”
Positive
“My sensitive skin reacted badly to the Timeless Vitamin C. It was way too harsh for my skin barrier.”
Positive
“I use Timeless in the morning and tretinoin at night and my dark patches have faded like 70% in a year.”
Positive
“This is stupid expensive though so I’m going to suggest Timeless Vitamin C.”
Positive
“I like that it comes in an airless pump that prevents oxidation over time.”
Positive
“This is why of all the dupes I've explored, I prefer the Timeless Vitamin C.”
Positive
“I’m going to suggest Timeless Vitamin C.”
Positive
“I like that it comes in an airless pump that prevents oxidation over time.”
Positive
“That’s why I really like the timeless.”
Positive
“I’ve consistently used timeless vitamin c but stopped once I began tret to adjust.”
Mentioned
“Not sure when to implement it back..”
Mentioned
“Did you introduce vitamin c right away?”
Mentioned
“Would you mind sharing what vitamin C and copper peptide cream you're using?”
Positive
“I use Timless vitamin c and TOSOWOONG Copper Peptide cream!”
Positive
“Great results! Where do you buy the serum from?”
Positive
