The Ordinary Amino Acids + B5 30ml Hydrating Face Serum

Quench your skin's thirst and restore its natural vitality with The Ordinary Amino Acids + B5 — a silky, weightless 30ml serum packed with powerful active ingredients designed to deeply hydrate, nourish, and strengthen the skin barrier.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Why You'll Love It

Formulated with a potent blend of Amino Acids, D-Panthenol, and pro-Vitamin B5, this concentrated serum works in harmony with your skin's natural processes to replenish moisture, improve elasticity, and support a healthy, resilient complexion. Lightweight and fast-absorbing, it layers beautifully under moisturizers and works for all skin types and genders.

Key Benefits

• Deep Hydration: Amino Acids and Sodium PCA attract and lock in moisture for lasting plumpness and suppleness.
• Barrier Support: Pro-Vitamin B5 (D-Panthenol) helps reinforce and maintain the skin's natural protective barrier.
• Improved Elasticity: Replenishing key moisture factors helps skin feel firmer and more resilient over time.
• Soothing Comfort: Gentle ingredients help calm feelings of sensitivity and support everyday skin repair.
• Radiant Glow: Leaves skin looking healthy, balanced, and luminous with regular use.
• Lightweight Formula: The silky, non-greasy texture absorbs quickly and layers seamlessly within any skincare routine.
• Unisex & All Skin Types: Suitable for every skin type and all genders.

Key Ingredients

• Amino Acids Complex (Arginine, Glycine, Alanine, Serine, Threonine, Valine, Proline, and more) — essential building blocks that help maintain skin's moisture balance and structural integrity.
• D-Panthenol / Pro-Vitamin B5 — renowned for its deeply hydrating and soothing properties, helping skin feel soft and comfortable.
• Sodium PCA — a natural moisturising factor that draws water into the skin for sustained hydration.
• Betaine — a gentle, plant-derived humectant that supports moisture retention.
• Sodium Lactate — helps maintain the skin's optimal hydration levels.

Full Ingredients List

Aqua (Water), Propanediol, Betaine, Sodium PCA, Panthenol, Sodium Lactate, Arginine, PCA, Aspartic Acid, Glycine, Alanine, Serine, Threonine, Valine, Proline, Isoleucine, Lysine HCl, Histidine, Phenylalanine, Glutamic Acid, Citric Acid, Dimethyl Isosorbide, Polysorbate 20, Trisodium Ethylenediamine Disuccinate, 1,2-Hexanediol, Caprylyl Glycol.

For the most up-to-date ingredient information, please review the ingredient list printed on the product packaging prior to use.

How to Use

1. Cleanse and tone skin as usual.
2. Apply a few drops of the serum to the entire face.
3. Use daily or as needed, ideally after water-based treatments and before heavier creams or oils.
4. Follow with your preferred moisturizer for optimal results.

Product Details

• Brand: The Ordinary
• Size: 30ml
• Formulation: Liquid Serum
• Suitable For: All skin types, Unisex
• High-Concern Chemicals: None
• Made in: Mainland China

Pair It With

For a complete skincare routine, explore these complementary products from our store:

• 10 Dual-End Temporary Tattoo Markers – Body & Face Paint Pens
• 0.5mm Mini Pocket Gel Pen – Quick Dry, Waterproof & 10 Refills

Learn More

For guidance on skincare ingredients and healthy skin practices, visit the FDA's Cosmetic Ingredients resource.

Learn more: South Korean beauty standards

Frequently Asked Questions

Q: What skin types is The Ordinary Amino Acids + B5 serum suitable for?

A: The Ordinary Amino Acids + B5 serum is formulated for all skin types, including dry, oily, combination, and sensitive skin. Its lightweight, non-comedogenic formula makes it a versatile hydration solution suitable for both men and women.

Q: How does The Ordinary Amino Acids + B5 serum hydrate the skin?

A: The serum combines a multi-amino acid complex with D-Panthenol (pro-Vitamin B5) and Sodium PCA — all known humectants that attract and retain moisture within the skin. Together, these ingredients help replenish the skin's natural moisture factors and reinforce the barrier, resulting in a plumper, more hydrated and elastic complexion with regular use.

Q: Can I use The Ordinary Amino Acids + B5 with other serums or treatments?

A: Yes. This serum is designed to layer easily within a multi-step skincare routine. Apply it after water-based treatments and before heavier oils or creams. It pairs well with most other The Ordinary formulas, but always check for ingredient compatibility when combining active formulations.

Q: How often should I apply the Amino Acids + B5 serum?

A: For best results, apply a few drops daily — morning and/or evening — to the entire face. You can adjust frequency based on your skin's needs and your overall routine.