Citrus AHAs (Lemon, Orange)

I. General Information

A. Scientific Name:

Citrus limon (lemon), Citrus sinensis (orange)

B. Alternative Names:

Fruit acids, Alpha Hydroxy Acids

C. Pronunciation:

See-trus A-H-A’s

II. Sourcing and Origin

A. Source:

Extracted from citrus fruit peels and juices

B. Geographic Origin:

Lemon – native to Northeast India and Myanmar; Orange – originated in Southern China and Southeast Asia

C. Method of Processing:

Juicing, fermentation, extraction, concentration

III. Properties and Uses

A. Physical Properties:

Clear liquid or powder extracts with citrus aroma

B. Chemical Composition:

Citric acid, malic acid, glycolic acid, flavonoids, vitamin C

C. Primary Uses:

Natural exfoliants in skincare (AHAs)

D. Key Benefits:

Gently removes dead skin cells

Brightens dull complexion

Fades dark spots and hyperpigmentation

Stimulates collagen production

IV. Safety and Considerations

A. Potential Allergies:

Citrus sensitivity, phototoxic reactions

B. Best Practices for Use:

Apply in evening skincare; always follow with sunscreen

C. Special Precautions:

Avoid high concentrations on sensitive skin

V. Fun & Educational Facts

A. Historical Context:

Citrus has been used since ancient times as natural skin brighteners

B. Did You Know?

AHAs from citrus are widely used in natural chemical peels

C. DIY Recipe Idea:

DIY lemon sugar scrub, orange peel face mask