Panthenol (Pro-Vitamin B5) — The Skin's Soothing Hydrator

A versatile humectant and skin conditioner that draws moisture into the skin, calms irritation, and supports wound healing. Found in over 11,500 products, Panthenol is one of the most trusted ingredients for sensitive, dry, and compromised skin.

Data sources: EU CosIng (#35839), CIR Safety Assessment of Panthenol, Pantothenic Acid, and Derivatives (2022), and SkinSenseDiary internal evaluation. Last updated: April 2026.

At a Glance

Also Known As
Pro-Vitamin B5, D-Panthenol, Dexpanthenol, 泛醇
CAS Number
81-13-0
CosIng Functions
Humectant, Skin Conditioning
Source
Synthetic (identical to natural Vitamin B5 precursor)
Korean Name
판테놀
Regulation
No restrictions

What Is Panthenol?

This moisturizing compound acts as a humectant to draw water into the skin and forms a protective barrier to prevent moisture loss. It's commonly added to skincare formulations for its soothing properties and ability to improve skin texture and softness. This ingredient has an excellent safety profile with minimal risk of irritation, making it suitable for sensitive skin types.


Panthenol (INCI: Panthenol, CAS 81-13-0) is the alcohol analog of pantothenic acid (Vitamin B5). Once absorbed into the skin, Panthenol is enzymatically converted to pantothenic acid, which is a key component of Coenzyme A — essential for numerous metabolic processes including fatty acid synthesis and energy production in skin cells. This conversion is what makes Panthenol a "provitamin." It exists as D-Panthenol (the biologically active form) and DL-Panthenol (a racemic mixture), both widely used in cosmetics.


The CIR Expert Panel assessed Panthenol, Pantothenic Acid, and five derivatives in 2022 and concluded they are safe as used in cosmetics at present practices and concentrations. According to FDA VCRP data, Panthenol is used at concentrations up to 5.3% in leave-on products and up to 5% in rinse-off products. The CIR found low potential for systemic toxicity, but noted that these ingredients may contain residual amines as impurities and should not be used in products where N-nitroso compounds may form.

Benefits — 4 Key Roles

💧

Deep Hydration

Panthenol is a powerful humectant that penetrates the skin and binds water molecules, increasing moisture content in the stratum corneum. It provides both immediate and sustained hydration, reducing dryness and flakiness over time.

🩹

Wound Healing & Repair

Studies show Panthenol accelerates epidermal wound healing by stimulating cell proliferation and migration. This is why it's a key ingredient in healing ointments and post-procedure skincare. It promotes fibroblast activity and collagen synthesis.

🌿

Anti-Inflammatory & Soothing

Panthenol calms irritated, red, and sensitive skin. It reduces inflammation triggered by UV exposure, environmental stressors, and harsh skincare actives. This makes it ideal as a recovery ingredient after exfoliation or sun exposure.

🛡️

Barrier Strengthening

By boosting lipid synthesis in the skin, Panthenol helps reinforce the skin barrier. A stronger barrier means less trans-epidermal water loss (TEWL), better protection against irritants, and more resilient skin overall.

Suitable for: All skin types — especially sensitive, dry, irritated, and post-procedure skin. Also beneficial for hair conditioning.

Safety Rating: 1/10 (Low Hazard)

1
/ 10

Safe as Used

The CIR Expert Panel (2022) concluded that Panthenol and its derivatives are safe as used in cosmetics at present practices and concentrations. EU approved with no restrictions. A well-tolerated provitamin with an outstanding safety record.

Evidence
CIR Assessment
Safe as Used (2022)
CIR assessed Panthenol, Pantothenic Acid, and 5 derivatives. Safe at reported concentrations up to 5.3% in leave-on products. Low potential for systemic toxicity. Functions as humectant, skin conditioner, and hair conditioner.
EU Regulation
No Restrictions
Not listed in Annex II (prohibited), III (restricted), or IV. Registered in CosIng as #35839. EU-wide unrestricted use in cosmetics.
Allergen & Sensitivity
No Known Allergens
No allergen tags in our database. No GHS hazard codes. Well-tolerated by sensitive skin. Commonly used in baby skincare and post-procedure products, indicating exceptional gentleness.
CosIng
Approved Functions
Humectant · Skin Conditioning. EU CosIng approved functions. Panthenol draws moisture into the skin and improves texture and softness while also functioning as a hair conditioning agent.

Things to Know

The CIR Panel noted that Panthenol may contain residual amines as impurities. Therefore, it should not be used in cosmetic products in which N-nitroso compounds may be formed. This is a formulation-level concern, not a consumer concern — reputable brands ensure proper formulation.

Panthenol is effective at concentrations as low as 1%, with most products using 2–5%. Higher concentrations are safe but may not provide proportionally greater benefits for everyday hydration needs.

Both D-Panthenol and DL-Panthenol are used in cosmetics. D-Panthenol is the biologically active form and is generally preferred for skin benefits, while DL-Panthenol works well for hair conditioning.

Pregnancy & Nursing

Panthenol (Pro-Vitamin B5) is a water-soluble vitamin precursor naturally found in many foods including eggs, meat, and whole grains. The CIR 2022 assessment found low systemic toxicity potential. It is commonly found in baby skincare products — further supporting its gentle safety profile. Widely regarded as safe during pregnancy and nursing. Always consult your healthcare provider for personal advice.

Safety data compiled from CIR Safety Assessment of Panthenol, Pantothenic Acid, and Derivatives (2022), EU CosIng Database, and SkinSenseDiary internal analysis. This is for educational purposes only and does not constitute medical advice. Last updated: April 2026.

How to Use

1

Cleanse

Start with a gentle cleanser. Panthenol works well on freshly cleansed skin where it can penetrate effectively. Some cleansers already contain Panthenol to prevent the tight, dry feeling after washing.

2

Apply Panthenol Product

Apply your Panthenol serum, moisturizer, or treatment to slightly damp skin. As a humectant, Panthenol draws moisture in — applying to damp skin gives it a head start. Layer from thinnest (serum) to thickest (cream).

3

Seal & Protect

Follow with an emollient or occlusive moisturizer to seal in the hydration. Panthenol provides the moisture; an emollient like squalane or ceramides prevents it from evaporating. In the morning, finish with sunscreen.

Product Formats

💧

Serum / Essence

Concentrated Panthenol serums (typically 5%) deliver a potent hydrating and soothing boost. Great as a standalone treatment or layered under moisturizer.

🧴

Moisturizer / Cream

Many moisturizers include Panthenol as a key hydrating ingredient. Look for it in the first half of the ingredient list for meaningful concentration.

🩹

Healing Ointment / Balm

Concentrated Panthenol ointments (like Bepanthen) are the go-to for wound healing, cracked skin, diaper rash, and post-procedure care. Typically 5% Panthenol.

Pairing Guide

Great Pairings

Hyaluronic Acid

Two humectants that work synergistically — HA hydrates the deeper layers while Panthenol soothes and conditions the surface. Together they provide comprehensive, multi-layer hydration.

Niacinamide (Vitamin B3)

Panthenol (B5) and Niacinamide (B3) are a classic B-vitamin duo. Niacinamide strengthens the barrier and controls oil, while Panthenol hydrates and calms. They complement each other perfectly.

Ceramides

Panthenol boosts skin lipid synthesis, supporting the same barrier repair that ceramides provide directly. Together they accelerate barrier recovery for dry, damaged skin.

Retinol

Panthenol's soothing and hydrating properties help offset retinol's dryness and irritation. Apply retinol first, then layer Panthenol to calm and protect the skin during retinoid therapy.

Use with Care

Strong Acid Peels (>15% AHA)

Very high-concentration acid peels can temporarily compromise the skin barrier. Use Panthenol as a post-peel recovery treatment rather than layering it simultaneously with the peel.

Products Containing Amine-Based Preservatives

Per the CIR caution, Panthenol should not be combined in formulations where N-nitroso compounds could form. This is a formulation concern handled by manufacturers, not a consumer layering issue.

Popular Products

Featured products containing Panthenol. Total products: 11,581

La Roche-Posay
Cicaplast Baume B5+
Healing Balm
CosRX
Balancium Comfort Ceramide Cream
Moisturizer
Drunk Elephant
Protini Polypeptide Cream
Moisturizer
The Ordinary
Multi-Peptide + HA Serum
Serum
Paula's Choice
Skin Recovery Replenishing Moisturizer
Moisturizer
Avène
Cicalfate+ Restorative Protective Cream
Healing Cream

Frequently Asked Questions

Is Panthenol safe for sensitive skin?
Yes. Panthenol has a SkinSenseDiary safety rating of 1/10 (Low Hazard). The CIR Expert Panel (2022) concluded Panthenol and its derivatives are safe as used in cosmetics. It is the provitamin form of Vitamin B5, naturally present in many foods and well-tolerated by skin. No known allergen flags or GHS hazard codes. In fact, Panthenol is widely used in products specifically designed for sensitive and irritated skin.
Can I use Panthenol every day?
Yes. Panthenol is safe for daily use, morning and night. The CIR assessment (2022) found it has low potential for systemic toxicity and is well-tolerated at concentrations up to 5.3% in leave-on products. As a provitamin that converts to Vitamin B5 in the skin, regular use supports ongoing hydration and barrier maintenance.
Can I use Panthenol with Retinol?
Yes, and it's an excellent pairing. Panthenol's soothing and hydrating properties help counteract the dryness, irritation, and peeling that retinol can cause. Apply retinol first, then layer a Panthenol-containing moisturizer or serum to calm and protect the skin while the retinol works.
Is Panthenol safe during pregnancy?
Panthenol (Pro-Vitamin B5) is a water-soluble vitamin precursor naturally found in many foods. The CIR 2022 assessment found low systemic toxicity potential. It is widely regarded as safe during pregnancy and nursing. Panthenol is commonly found in baby skincare products, further supporting its gentle safety profile. Always consult your healthcare provider for personal advice.
What is the difference between Panthenol and Pantothenic Acid?
Panthenol is the provitamin (alcohol) form of Vitamin B5, while Pantothenic Acid is the active vitamin itself. When applied topically, Panthenol is absorbed into the skin and converted to Pantothenic Acid by enzymes. Panthenol is preferred in cosmetics because it penetrates skin more readily than Pantothenic Acid and is more stable in formulations.
What concentration of Panthenol is effective?
Panthenol is effective at concentrations as low as 1%, though most skincare products use 2–5%. The CIR reports leave-on products containing up to 5.3% Panthenol. At 5%, studies show significant improvements in skin hydration, barrier function, and wound healing. Higher concentrations are safe but may not provide proportionally greater benefits.

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