Phenylalanine
Phenylalanine
Also known as: phenylalanine
PHE
2/10
Concern level
Low concern
An essential amino acid that plays a role in protein synthesis and is a precursor to neurotransmitters. It is used in skincare for its potential to improve skin hydration and elasticity.
Benefits
Moisturizing
Chemical Properties
Molecular Weight
165.19 g/mol pH Range
5.00 - 7.00Typical Concentration
0.50% - 5.00%CAS Number: 63-68-3
Skin Type Compatibility
dry skin8/10
oily skin7/10
sensitive skin6/10
acne prone5/10
mature skin8/10
normal skin7/10
Interactions
incompatible with: May interact with certain medications for mood disorders.
Risks & Warnings
High doses may lead to headaches or gastrointestinal issues. Individuals with phenylketonuria (PKU) should avoid it.
Vegan Cruelty-Free
Found In Products

The Ordinary
Natural Moisturizing Factors + Hyaluronic Acid Daily Moisturizer

The Ordinary
Mini Natural Moisturizing Factors + Hyaluronic Acid Daily Moisturizer

Summer Fridays
Cloud Dew Gel Cream Moisturizer

The Ordinary
Glycolic Acid 7% Exfoliating and Brightening Daily Toner

The Ordinary
Mini Glycolic Acid 7% Exfoliating and Brightening Daily Toner

Evereden
Kids & Teen Multi-Vitamin Face Cream with Vitamin E, B3, B5 (Niacinamide) & Squalane

The Ordinary
Multi-Peptide + Hyaluronic Acid Serum for Firmness and Elasticity

Dermalogica
Multi-Active Toner

Dermalogica
Mini Multi-Active Toner

The Ordinary
Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity

Drunk Elephant
Protini™ Polypeptide Firming Refillable Moisturizer

Drunk Elephant

