Ceramides

Best for

Ease eczema flares

Promising early signal for 4 weeks · 1 study , n=83

2 papers · 2 claims · 5 outcomes scored · 2 positive

Outcomes

What ceramides actually does, by outcome

Each row is one outcome with effect size, evidence base, the dose that worked in trials, and time to first effect. Magnitude tiers come from native-unit MCID where available, Cohen's d otherwise.

Outcome Effect size Evidence Dose Weeks Rank

Ease eczema flares Promising early signal

Less redness, fewer outbreaks, and reduced need for steroid creams.

1 RCT n=83 — 4 wk #4/6

33984185

moderate

1 RCT n=83

—

4 wk

#4 /6

Boost skin hydration Proven modest benefit

Locks more moisture into skin so it feels softer and less tight.

2 meta-analyses n=4.1k 0.4–30 mg 4–13 wk #2/13

33984185·35719159

small

2 meta-analyses n=4.1k Meta-analyzed I²=80%

0.4–30 mg

4–13 wk

#2 /13

Outcome	Effect	Evidence	Dose	Weeks	Rank
Ease eczema flares Promising early signal	moderate	1 RCT n=83	—	4 wk	#4/6
Boost skin hydration Proven modest benefit	small	2 meta-analyses n=4.1k Meta-analyzed	0.4–30 mg	4–13 wk	#2/13

Sources

Generated August 14, 2026

Ceramides

What ceramides actually does, by outcome

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