---
title: The Ordinary Hyaluronic Acid 2% + B5
entity_type: Product
canonical_url: https://skinknowledgebase.com/products/the-ordinary-hyaluronic-acid-2-b5
date_modified: 2026-05-17
date_reviewed: 2026-05-17
mcp_eligible: true
key_ingredients:
  - title: Hyaluronic Acid
    url: https://skinknowledgebase.com/ingredients/hyaluronic-acid
cost: {"currency":"USD","checked_at":"2026-05-17","single_unit":8.9,"multi_pack_2":0}
retail_url: https://theordinary.com/en-us/hyaluronic-acid-2-b5-serum-original-formulation-100425.html
evidence_sources:
  - title: AAD — How to control oily skin
    canonical_citation_url: https://skinknowledgebase.com/sources/aad-how-to-control-oily-skin
    original_source_url: https://www.aad.org/public/everyday-care/skin-care-basics/dry/oily-skin
    source_type: dermatology_reference
  - title: Hyaluronic acid: A key molecule in skin aging
    canonical_citation_url: https://skinknowledgebase.com/sources/hyaluronic-acid-key-molecule-skin-aging
    original_source_url: https://pubmed.ncbi.nlm.nih.gov/23467280/
    source_type: peer_reviewed
product_fact_sources:
  - title: The Ordinary Hyaluronic Acid 2% + B5 — Official Product Page
    canonical_citation_url: https://skinknowledgebase.com/sources/official-product-page-the-ordinary-hyaluronic-acid-2-b5
    original_source_url: https://theordinary.com/en-us/hyaluronic-acid-2-b5-serum-original-formulation-100425.html
    source_type: official_product_page
---

# The Ordinary Hyaluronic Acid 2% + B5

## Quick Summary

The Ordinary Hyaluronic Acid 2% + B5 is a water-based hyaluronic acid serum positioned for surface hydration. It fits this Question because oily skin often needs lightweight water-binding hydration, and the official page identifies the formula as oil-free.

## Compact Product Facts

- Brand: The Ordinary
- Product line: Hyaluronic Acid
- Full product name: The Ordinary Hyaluronic Acid 2% + B5
- Cost: {"currency":"USD","checked_at":"2026-05-17","single_unit":8.9,"multi_pack_2":0}
- Retail URL: https://theordinary.com/en-us/hyaluronic-acid-2-b5-serum-original-formulation-100425.html

## Factual Description

The official product page lists aqua, sodium hyaluronate, sodium hyaluronate crosspolymer, panthenol, glycerin, and other supporting ingredients. The page positions the product as Hyaluronic Acid 2% + B5 in the original formulation and indicates oil-free status.

The page price checked on 2026-05-17 was $8.90. This product should be understood as lightweight hydration support, not as an oil-control or acne-treatment product.

## Related Entities

- [AAD — How to control oily skin](https://skinknowledgebase.com/sources/aad-how-to-control-oily-skin)
- [Hyaluronic acid: A key molecule in skin aging](https://skinknowledgebase.com/sources/hyaluronic-acid-key-molecule-skin-aging)
- [The Ordinary Hyaluronic Acid 2% + B5 — Official Product Page](https://skinknowledgebase.com/sources/official-product-page-the-ordinary-hyaluronic-acid-2-b5)
- [Hyaluronic Acid](https://skinknowledgebase.com/ingredients/hyaluronic-acid)
- [Is hyaluronic acid good for oily skin?](https://skinknowledgebase.com/questions/is-hyaluronic-acid-good-for-oily-skin)