Compare Supplements

Side-by-side comparison of 2 supplements

Cet6.0

Ceramides (topical)

High safety

Lac6.0

Lactic Acid (topical)

Moderate safety

Evidence

Evidence Score6/10

Studies: 6

Meta-analyses: 0

Evidence Score6/10

Studies: 7

Meta-analyses: 0

Outcome Grades

Skin hydration & glowC

A-F grade per outcome, combining overall evidence with goal-specific relevance. A = strong evidence; F = insufficient. Hover a badge for details.

Dosage & timing

Dosage:

Topical cosmetic only. Ceramide-containing moisturizers are applied liberally to clean skin once or twice daily (and after bathing, to damp skin, to lock in water). There is no oral, injectable, or systemic dose in this context — it is not ingested. This library does not provide an ingestion protocol.

Best Time:

Any time

Can take on empty stomach

Form:

Ceramide-containing cream or lotion (with cholesterol and fatty acids)

Dosage:

Topical cosmetic only. Leave-on lactic acid is used at roughly 5-12% (lower for hydration, higher for exfoliation); professional peels use higher strengths. Apply to clean skin, often at night, building frequency as tolerated, with daily sunscreen. There is no oral or systemic dose — it is not ingested. This library does not provide an ingestion protocol.

Best Time:

Evening

Can take on empty stomach

Form:

Leave-on lotion or serum (≈5-12% lactic acid)

What you'll notice

ℹ️ A barrier moisturizer — not an oral supplementneutral

Throughout

💧 Lower water loss, higher hydrationpositive

1-4 weeks

🛡️ Fewer eczema flares with daily usepositive

Ongoing

ℹ️ Cosmetic, appearance-only — not a health effectneutral

Throughout

💧 Hydration and stronger barrierpositive

2-8 weeks

💆 Smoother, less photodamaged skinpositive

8-22 weeks

Safety

High safety

Contraindications:

For topical (skin) use only — not for ingestion
Known allergy or sensitivity to formulation ingredients

Drug Interactions:

Other leave-on actives

Side Effects:

Rare local irritation or breakouts (formulation-dependent)

Moderate safety

Contraindications:

For topical (skin) use only — not for ingestion, not for injection
Known allergy or sensitivity to AHAs
Active eczema/dermatitis or broken/sunburned skin until healed

Drug Interactions:

Other leave-on actives (retinoids, other acids, benzoyl peroxide)

Side Effects:

Stinging, burning, or peelingIncreased sun sensitivity

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