In The Beauty Light: Lactic Acid

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Lactic Acid – you might be familiar with the name but are you wondering what it actually is and if it is useful for you? We have got you covered as this ingredient is under our beauty microscope this week. Keep reading to find out more!

What is Lactic Acid?

Lactic Acid is also known as ‘Lactate’, is a water-soluble liquid that is a byproduct of anaerobic respiration. It refers to the process that helps the cells produce energy without the use of oxygen. It is a beneficial product for the skin since it functions as an anti-wrinkle and pigmentation-fighting ingredient. Lactic acid is derived from milk and belongs to anti-aging ingredients called ‘alpha-hydroxy acids’ or AHAs. 


  • Reduces discolouration and pore appearance
  • Improves a dull and pale complexion
  • Exfoliates and improves skin texture
  • Smooth out the bumpiness around hair follicle
  • Reduces acne
  • Makes the skin moist
  • Reduces wrinkles by making the skin firm

Potential Side Effects

Lactic Acid should be used wisely as it may have some side effects on various skin types. It should not be used on irritated skin or if you have eczema, rosacea (etc.). The skin should be protected from the sun’s rays post usage with SPF as it may lead to hyperpigmentation, increased age spots, and even the risk of skin cancer may increase. It may also result in allergic reactions like rash, acne, redness, burns; therefore, in case of sensitive skin types it would be better to consult a dermatologist. 

Incorporating It Into Your Skin Care Routine

It is essential to take care of your skin. Make it a habit to apply sunscreen to protect the skin from ultraviolet rays of the sun. Lactic Acid can be found in lotions, creams and serums that can also be used at night to protect from sun damage. Professional Lactic Acid peels can be purchased from medical spas and dermatologists as they help in improving dark spots, texture issues, and signs of ageing. 

Lactic Acid can be found in various products (but be sure to consult with a dermatologist to find what works for your skin):

  • Sunday Riley Good Genes All-in-One Lactic Acid Treatment
  • PCA Skin Nutrient Toner
  • The Ordinary Lactic Acid 10% + HA 2% 
  • Ren Ready Steady Glow Daily AHA Tonic
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