Side-by-side comparison

Drunk Elephant C-Firma Fresh Day Serum vs Youth to the People 15% Vitamin C + Clear Skin Serum

Both are serums. They share a 99% active-ingredient overlap, so the real decision is about price, texture and the supporting ingredients. Here's the side-by-side.

99%Active overlap
Drunk Elephant
C-Firma Fresh Day Serum
SerumLuxuryMorning only
Dark SpotsAgingDullnessprotectSensitive skinDamaged barrier

A two-part serum activated at first use — 15% L-ascorbic acid + ferulic acid + vitamin E + pumpkin ferment. The fresh-mix model addresses vitamin C's instability, but the price is hard to justify against SkinCeuticals CE Ferulic for essentially the same chemistry.

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Youth to the People
15% Vitamin C + Clear Skin Serum
SerumPremiumMorning only
DullnessDark SpotsCongestion

A 15% vitamin C serum with ferulic acid, vitamin E and clarifying botanicals in a vegan base. A well-rounded antioxidant brightening serum with a clear-skin slant; a mid-to-premium alternative to classic CEF formulas.

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The verdict

Which should you choose?

On price, the Youth to the People 15% Vitamin C + Clear Skin Serum sits in the Premium tier versus Luxury for the Drunk Elephant — so it's the more budget-led pick if the overlap is what you're after. The Drunk Elephant leans toward Aging, protect. The Youth to the People leans toward Congestion.

The overlap

What they share

At 99% active overlap, these are the ingredients doing comparable work in both formulas:

Ferulic AcidVitamin CVitamin E
The formulation

Ingredient stacks, side by side

Drunk Elephant — top of the list

  • Water~50–80%
  • Ethoxydiglycol~5–25%
  • Ascorbic Acid15%
  • Glycerin~2–6%
  • Propylene Glycol~1.5–4%

Youth to the People — top of the list

  • Aqua~50–80%
  • Ascorbic Acid~5–25%
  • Glycerin~3–10%
  • Tetrahexyldecyl…~2–6%
  • Propanediol~1.5–4%

● marks ingredients that appear near the top of both lists. Percentages are positional estimates from INCI order, not disclosed doses.

At a glance

The specs

Drunk ElephantYouth to the People
CategorySerumSerum
Price tierLuxuryPremium
Best forDark Spots, Aging, DullnessDullness, Dark Spots, Congestion
Usage notesMorning onlyMorning only
Active overlap99% — Ferulic Acid, Vitamin C, Vitamin E
Questions

Common questions

Is the Drunk Elephant C-Firma Fresh Day Serum or the Youth to the People 15% Vitamin C + Clear Skin Serum better?
Neither is universally better — they share 99% active-ingredient overlap, so for the actives that drive results they're close. The Youth to the People 15% Vitamin C + Clear Skin Serum is the more budget-friendly option, while the other may differ on texture, finish and supporting ingredients. Pick based on your skin's priorities rather than a single 'winner'.
What's the difference between the Drunk Elephant C-Firma Fresh Day Serum and the Youth to the People 15% Vitamin C + Clear Skin Serum?
Both are serums that share Ferulic Acid, Vitamin C, Vitamin E. Where they differ: they sit in different price tiers (Luxury vs Premium); the Drunk Elephant targets Aging, protect; the Youth to the People targets Congestion.
Are the Drunk Elephant C-Firma Fresh Day Serum and Youth to the People 15% Vitamin C + Clear Skin Serum dupes for each other?
They share 99% active-ingredient overlap based on published INCI lists, so one can stand in for the other on the actives that matter — chiefly Ferulic Acid, Vitamin C, Vitamin E. A dupe matches the hero actives, not the full sensory experience, so expect differences in texture, fragrance and exact concentrations.
Can I use the Drunk Elephant C-Firma Fresh Day Serum and Youth to the People 15% Vitamin C + Clear Skin Serum together?
They both fill the serum slot in a routine, so you'd normally pick one rather than layer both. If you want to use both, treat one as your daytime option and the other for evening, and patch-test when introducing anything new.
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77% overlap

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