
100% L-Ascorbic Acid Powder — Reddit Reviews
by The Ordinary
Updated August 22, 2026
Pure vitamin C powder for brightening and fading spots; causes redness for some.
What the community says
A 100% L-ascorbic acid powder designed for customizable vitamin C boosts in skincare. Users mix it daily with liquids to prevent oxidation, but it can cause redness and isn't ideal with some acids. Best for those not sensitive to irritation.
What this means for you
Backed by 3 threads from r/scacjdiscussion, r/30PlusSkinCare and 1 more.
Read the threads ↓What people love
- Extremely affordable pure vitamin C powder
- Effective for brightening and fading hyperpigmentation
- Customizable concentration by mixing with preferred serums
Watch out for
- Causes redness and irritation in sensitive skin
- Requires daily mixing to avoid oxidation and potency loss
- Incompatible with some acids like salicylic acid and tretinoin
Product details
Concerns
Key Ingredients
Skin type data limited
Where to buy
Real Reddit threads — 4 mentions across 3 threads
The Ordinary 100% L-Ascorbic Acid Powder on Reddit, in one place — 3 threads from r/scacjdiscussion, r/30PlusSkinCare and 1 more, summarized.
“100% L-Asorbic Acid Powder - This actually did its job at brightening my skin a bit and fading some of my acne scars/dark spots.”
Cautionary
“Hits - the vitamin C powder. What a genius idea for vitamin C.”
Cautionary
“100% L-Ascorbic Acid Powder: Red face galore!”
Cautionary
“The Ordinary 100% L-Ascorbic Acid Powder, $6”
Positive
“So cheap and so effective.”
Positive
“Mix it every day so it doesn’t oxidize.”
Positive
“The Ordinary 100% L-Ascorbic Acid Powder. I mix into COSRX Full Fit Propolis Synergy Toner and apply.”
Mentioned
“I mix into COSRX Full Fit Propolis Synergy Toner”
Mentioned
“and apply”
Mentioned





