CITRIC ACID – ACID MAKES BEAUTIFUL

Many people use lemon or citric acid for their skin – hoping for clearer pores, fewer breakouts and a brighter complexion.
But does it really work? And is it safe to apply directly to the skin?

In my dermatology practice, I often see patients who have tried home remedies like lemon juice – sometimes with good results, but often with irritation or worsening of the skin.

What is Citric Acid and How Does It Work?

Citric acid is a natural alpha hydroxy acid (AHA) found in citrus fruits such as lemons. Along with lactic acid, it has been known since ancient times for its beneficial effects on health and skin. It is widely used in skincare for its exfoliating and clarifying effects.

Benefits of Citric Acid for Skin

Studies confirm that citric acid offers a range of benefits for the skin:

• Disinfects and gently exfoliates through improved cell renewal
• Reduces cornification and helps unclog pores
• Inhibits inflammation – especially important for oily and acne-prone skin
• Can reduce acne scars and slightly lighten pigmentation spots
• Has antioxidant and detoxifying effects
• May support the skin’s natural healing process (via the oils naturally present in lemon)
• Acts on the sebaceous glands – clarifying and mildly drying on oily skin

Is Lemon Juice Safe for Your Skin?

While lemon juice is often used as a home remedy, it can irritate the skin due to its high acidity and may cause redness or sensitivity – especially on sensitive skin. Some models swear by washing their face with pure or diluted lemon juice, claiming it clears pores and makes the complexion glow. The science does support some of these effects – but the high acidity makes pure application risky.

For this reason, I generally recommend using professionally formulated skincare products instead of applying pure lemon juice directly to the skin.

Professional Skincare with Citric Acid

In my practice, I use citric acid in combination with other active ingredients to achieve optimal results without irritating the skin. What mattered most to me when developing these products was not only addressing acne – but also ensuring the skin stays moisturised and soothed.

Our cleansing gel contains citric acid combined with aloe vera and zinc complexes – ideal for oily, combination and acne-prone skin, and the perfect preparation for further acne care.

For targeted treatment, I recommend our acne care gel, which helps reduce impurities while soothing the skin.

DIY Skincare with Lemon – Simple Recipes

Important: Always use lemon with caution and avoid sensitive or irritated skin.

If you want to experiment at home, always dilute lemon juice first and patch-test on a small area of skin. Here are a few tried-and-tested recipes:

• Brittle or discoloured nails: Mix one tablespoon of olive oil with the juice of half a lemon and soak your nails in the mixture.
• Gentle face and body scrub: Combine lemon juice with sugar, salt or coffee grounds and a little olive oil (about one tablespoon of solid ingredients plus a few squirts of lemon juice). Gently massage onto the skin.
• Pigmentation and age spots: Apply undiluted lemon juice directly to the affected area daily. If redness occurs, pause and soothe the skin – for example with our Panthenol repair ointment.
• Oily or acne-prone skin / large pores: Apply pure lemon juice with a cotton pad 1–2 times per week, then rinse with water and apply a care cream such as our acne care gel.

Do not use lemon juice on irritated or sensitive skin.

Conclusion: Does Citric Acid Really Work?

Citric acid can be a powerful ingredient for clearer, smoother skin – but it works best when used in the right formulation and concentration. Pure lemon juice can deliver results, but also carries real risks of irritation.

If you struggle with oily or acne-prone skin, choosing a professionally developed product is the safest and most effective approach.

Yours, Dr. Sabine Schwarz