Citric Acid

Citric Acid Nigeria — cosmetic-grade, fine white crystalline powder — is one of the most essential ingredients in cosmetic formulation. It adjusts pH, boosts preservation, exfoliates gently, and chelates metal ions. At Jumira Naturals by Organicsbyjumira, we supply pure cosmetic-grade Citric Acid in multiple sizes — from small testing quantities to larger commercial batches.

What Is Citric Acid?

Citric Acid is a natural alpha hydroxy acid (AHA) found in citrus fruits. Manufacturers produce cosmetic-grade Citric Acid through biofermentation using Aspergillus niger cultures. This process yields a highly pure, water-soluble white powder. Its INCI name is Citric Acid and its CAS number is 77-92-9. Formulators worldwide rely on it daily — and for very good reason.

pH Adjustment — Its Most Important Role

pH adjustment is the primary reason formulators use Citric Acid. Active ingredients like AHAs, preservatives, Vitamin C, and Niacinamide all perform within specific pH ranges. Citric Acid brings your formulation into the optimal range quickly and accurately. Healthy skin sits at pH 4.5 – 5.5 — and Citric Acid gets your products there reliably.

To adjust pH, first prepare a 50% Citric Acid solution by dissolving equal weights of Citric Acid and distilled water. Add this solution drop by drop to your formulation. Monitor with a pH meter until you reach your target. This method prevents localised pH spikes that can break an emulsion.

Gentle AHA Exfoliation

As an AHA, Citric Acid loosens the bonds between dead skin cells on the skin’s surface. New, brighter skin replaces the old layer. Dullness, uneven skin tone, and post-acne marks all improve with consistent use. At 0.1% – 0.5% in creams and serums, the exfoliation is gentle and well-tolerated. Higher concentrations of 2% – 10% deliver stronger results in targeted exfoliating treatments. Citric Acid is milder than Glycolic Acid or Lactic Acid — making it the gentlest AHA choice for sensitive skin.

Chelating Action

Citric Acid binds to metal ions — calcium, magnesium, and iron — naturally present in tap water and raw materials. These ions cause serious problems in formulations. They destabilise emulsions, weaken preservatives, and speed up rancidity. Citric Acid neutralises them before they cause damage. In cold-process soap making, it reacts with lye to form Sodium Citrate — a chelating agent that eliminates soap scum and improves lather quality.

Bath Bomb Applications

Citric Acid is one of two essential ingredients in bath bombs — the other is Sodium Bicarbonate (baking soda). Water triggers a reaction between the two, releasing carbon dioxide gas and creating the fizzing effect bath bombs are famous for. The standard ratio is 2 parts Sodium Bicarbonate to 1 part Citric Acid by weight. We stock both Sodium Bicarbonate and Citric Acid — so you can source your complete bath bomb base from one supplier.

Preservation and Antioxidant Support

Citric Acid strengthens preservative systems by lowering pH into the range where preservatives like Phenoxyethanol and Optiphen work best — pH 4.5 – 6.0. It also acts as an antioxidant synergist, working alongside Vitamin E Oil to slow oxidation of oils and active ingredients. Your finished products last longer and stay fresher as a result.

How to Use Citric Acid — Usage Rates by Application

For pH adjustment, add a 50% solution drop by drop — typically 0.1% – 1% of total formulation weight. When using for mild AHA exfoliation in creams and lotions, keep it at 0.1% – 0.5%. Targeted exfoliating treatments such as peels and brightening serums work best at 2% – 10% with pH monitoring. Bath bomb formulations use it at 33% of the dry powder blend. Cold-process soap making requires 1% – 2% dissolved in water before adding lye.

Citric Acid is water-soluble — always dissolve it in water before use. Never add it directly to oil phases. Always use a pre-made solution for pH adjustment to avoid localised pH spikes.

Formulation Applications

Citric Acid works across a wide range of product types. These include creams, lotions, serums, and toners needing pH adjustment, AHA exfoliating treatments and brightening serums, bath bombs and bath fizzies, cold-process and hot-process soaps, shampoos and conditioners for scalp pH balance, water-based formulations needing preservative support, and facial oils and serums needing antioxidant synergy.

Product Details

INCI Name: Citric Acid. CAS Number: 77-92-9. Appearance: Fine white crystalline powder. Aroma: Mildly acidic, citrus-like. Solubility: Water soluble — add to water phase. Usage Rate: 0.1% – 10% depending on application. pH Effect: Lowers pH — ideal for pH 3.0 – 6.5. Comedogenic Rating: 0 — non-comedogenic. Skin Types: All skin types especially dull, uneven, and acne-prone. Applications: pH adjustment, AHA exfoliation, bath bombs, soap making, preservation, and antioxidant synergy.

Safety and Precautions

For external use only in finished cosmetic formulations. Wear gloves when handling bulk quantities — avoid inhalation of the powder. At recommended usage rates, Citric Acid is safe and well-tolerated by most skin types. Perform a patch test before full application. High concentrations may irritate sensitive skin — always pH test finished products. Keep out of reach of children. Store in a cool, dry, airtight container away from moisture.

🌍 International customers: Please see our International Orders and Shipping page before checkout.

Explore our full range of Cosmetic Activ Ingredients Nigeria — AHAs, BHAs, brightening actives, preservatives, and more for professional skincare formulation.