Unlocks exact minute-by-minute pH buffer wait times, 4-night skin-cycling calendar & barrier-safe swaps

Routine Safety Score
62/100
1 Critical Conflict
Max pH Shock (ΔpH)
2.4 pH
Threshold > 1.8
500-Dalton Penetration
84% Pass
MW <= 500 Da Rule
Malassezia / Fungal
0 Triggers
Ester-Free Verified
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Home / Layering Directory / Product INCI Teardown
CLINICAL_TEARDOWN · HARMONY SCORE 86/100 · ΔpH 0.6
Shop Verified Formula at Dermstore ↗ Shop Barrier-Safe Alternative at Sephora ↗

Finacea 15% Azelaic Acid Gel INCI Teardown: pH 4.9 Rosacea, Melasma & Retinoid Layering

Clinical 15% micronized Azelaic Acid hydrogel for rosacea, PIE, and melasma. Pregnancy Category B safe.

FORMULATION CHEMISTRY
Pregnancy-safe Category B dicarboxylic acid at pH 4.9. Pairs safely with Niacinamide and Tretinoin; avoid stacking with multiple strong AHAs/BHAs in one session.

Recommended Spacing: 5 Minutes

AM MORNING GLOW RITUAL

Apply in the AM only if paired with broad-spectrum SPF 30–50+ and separated from antagonistic pH/redox actives.

PM BARRIER REPAIR RITUAL

In the PM, Pregnancy-safe Category B dicarboxylic acid at pH 4.9. Pairs safely with Niacinamide and Tretinoin; avoid stacking with multiple strong AHAs/BHAs in one session.

1. Tap a Curated Vanity Shelf Preset COSMETIC CHEMIST ΔpH ENGINE
Critical Chemical / ΔpH Inactivation Detected Analyzed in 0.52ms
Routine Harmony
47/100
Barrier Stress
53/100
Pore-Clog Load
57/100
Silk pH Spectrum (pH 2.0 Direct Acids → pH 5.5 Skin Mantle → pH 8.0) |ΔpH| > 1.8 = Peptide / Flush Alert
Azelaic · pH 4.9 Tretinoin · pH 5.8 Isopropyl · pH 5.8 Niacinamide · pH 6 Polysorbate · pH 4.9
Pure Formulation Harmony: Every serum and moisturizer in your shelf operates in a compatible pH and antioxidant window.
Isopropyl Myristate (5/5 Pore Risk)Cetearyl Alcohol (2/5 Pore Risk) Fungal-Acne Trigger: Isopropyl MyristateFungal-Acne Trigger: Polysorbate 20
AM Morning Glow & PM 4-Night Barrier Ritual
  • AM Prep: pH 5.5 Gentle Amino-Acid Cleanser or Water Rinse [pH 5.5 · Pat dry]
  • AM Anti-Erythema / Tyrosinase: Azelaic Acid 10%–15% Gel/Suspension [pH 4.9 · Smooth thin layer]
  • AM Barrier + Photoprotection: Physiological Ceramide Moisturizer + Broad-Spectrum SPF 50+ PA++++ [pH 5.8 · Mandatory final step]
Night 1 · Keratolytic Resurfacing GENTLE PREP
pH 5.5 Cleanser → Hydrating Essence + Niacinamide 5% → Ceramide Barrier Cream
Night 2 · Cellular Turnover (Retinoid) RETINOID NIGHT
pH 5.5 Cleanser + Snail Mucin / Humectant Buffer (⏱ Dry 15 min) → Pea-sized Rx Tretinoin / Retinaldehyde / Retinol (pH 5.8) → Encapsulated Ceramide Barrier Cream (Sandwich Method)
Night 3 · Peptide & Microbiome Repair PEPTIDE & CICA RECOVERY
pH 5.5 Cleanser + Heartleaf / Centella Toner → Niacinamide 4%–10% + Snail 96 Mucin Essence → Dieux Instant Angel / Aestura Atobarrier 365 Cream
Night 4 · Deep Lamellar Lipid Restoration 100% BARRIER REST
Micellar Water + pH 5.5 Cleanser → Panthenol 5% + Madecassoside + Squalane → La Roche-Posay Cicaplast Baume B5+ or Ceramide Cream
Verified Barrier-Safe Finishers (3:1:1 Ceramide & SPF 50+) Shop Verified Ritual Kit (Sephora / Dermstore) ↗
dermlogic ritual pass 9:16 WALLET
47/100
0 Active Clash(es) · Barrier Stress 53%
AM MORNING GLOW
Prep → Anti-Erythema / Tyrosinase → Barrier + Photoprotection
PM 4-NIGHT SKIN CYCLING
N1: Exfoliate · N2: Retinoid · N3: Peptide Glaze · N4: Ceramide

Esthetician & Cosmetic Chemist FAQ

What is the formulation pH and full INCI profile of Finacea (Rx / Derm) Finacea 15% Azelaic Acid Gel?

Finacea (Rx / Derm) Finacea 15% Azelaic Acid Gel is formulated at pH 4.9 ($55). Full INCI: Azelaic Acid 15%, Benzoic Acid, Carbomer 980, Disodium EDTA, Lecithin, Polysorbate 80, Propylene Glycol, Purified Water, Sodium Hydroxide, Triglycerides Medium Chain.

Which skincare actives conflict with Finacea (Rx / Derm) Finacea 15% Azelaic Acid Gel?

Pregnancy-safe Category B dicarboxylic acid at pH 4.9. Pairs safely with Niacinamide and Tretinoin; avoid stacking with multiple strong AHAs/BHAs in one session.

Is Finacea (Rx / Derm) Finacea 15% Azelaic Acid Gel comedogenic or fungal-acne (Malassezia) safe?

Run the pre-loaded INCI analyzer above to inspect positional comedogenicity (0–5) and C12–C24 Malassezia lipid ester triggers for every ingredient in Finacea 15% Azelaic Acid Gel.

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🚀 Open-Source Engine Upgrade: rdkit/rdkit (500-Dalton Cheminformatics Rule) (★ 3,622) Inspect Live JSON Telemetry ↗

Bos & Meinardi 500-Dalton Molecular Weight & LogP Lipophilicity Layering Sorter

Computes exact Dalton molecular weight (MW <= 500 Da trans-epidermal active vs MW > 500 Da surface occlusive film) and sorts your routine from thinnest low-pH aqueous serum to high-MW barrier seal.

Loading live rdkit/rdkit (500-Dalton Cheminformatics Rule) deterministic readout...

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