BioChem™️ 2% Hyaluronic Acid

• Hyaluronic acid (HA) is a naturally occurring glycosaminoglycan found in connective tissue, skin, and eyes.

• It’s a powerful humectant, meaning it can attract and retain large amounts of water—up to 1,000 times its weight.

• In skincare, “2% hyaluronic acid” usually refers to a topical serum with 2% HA by weight, often in varying molecular sizes for better absorption.

Benefits

1. Deep hydration – Draws water into the skin, improving plumpness and smoothness.

2. Improves skin elasticity – Helps skin appear firmer and more supple.

3. Supports barrier function – Reduces transepidermal water loss (TEWL).

4. Soothes irritation – Calms dryness-related redness or tightness.

5. Enhances product layering – Works well under moisturizers to lock in hydration.

Uses

• Daily hydration for all skin types, especially dry, dehydrated, or mature skin.

• Applied after cleansing and before moisturizing—often on slightly damp skin to maximize moisture binding.

• Common in serums, creams, sheet masks, and injectable fillers (in a medical context).

FDA Considerations

• Topical hyaluronic acid is classified as a cosmetic ingredient in the U.S., so the FDA does not require pre-approval, but it must be safe and properly labeled.

• Injectable HA fillers (e.g., Juvederm, Restylane) are regulated as medical devices and require FDA approval for safety and efficacy.

• For over-the-counter topical products, companies must ensure the HA meets cosmetic-grade purity standards and is free from harmful contaminants.

• The FDA does not limit concentration in cosmetics, but 2% is common because higher percentages may feel sticky and don’t necessarily hydrate more effectively.