Introduction
The skin is the largest organ of the human body and serves as a protective barrier against environmental pollutants, pathogenic microorganisms, ultraviolet radiation, and physical injuries. Acne vulgaris is a chronic inflammatory disease of the pilosebaceous unit characterized by the formation of comedones, papules, pustules, nodules, and cysts.
The pathogenesis of acne involves increased sebum secretion, follicular hyperkeratinization, colonization by Cutibacterium acnes, and inflammatory responses within the skin. Approximately 80–90% of adolescents experience acne during some stage of life, making it one of the most prevalent dermatological disorders worldwide.
Conventional therapies such as benzoyl peroxide, retinoids, antibiotics, hormonal therapy, and isotretinoin may cause adverse effects including irritation, dryness, peeling, erythema, photosensitivity, and antibiotic resistance. Consequently, there is growing interest in herbal cosmetic formulations as safer alternatives.
Glycyrrhiza glabra, Azadirachta indica, Curcuma longa, and Chamomile possess antimicrobial, anti-inflammatory, antioxidant, wound-healing, and skin-protective properties. Their combination may provide synergistic therapeutic effects against acne and related skin disorders.
Materials and Methods
The medicinal plants selected for the study included Glycyrrhiza glabra roots, Azadirachta indica leaves, Curcuma longa rhizomes, and Chamomile flowers. The plant materials were procured from authenticated suppliers and verified using standard pharmacognostic methods.
The collected materials were washed, shade-dried, pulverized separately, and subjected to hydroalcoholic extraction. The extracts obtained were concentrated and stored in airtight containers until formulation.
An oil-in-water cream base was prepared using beeswax, white soft paraffin, glycerin, propylene glycol, zinc oxide, methyl paraben, sodium benzoate, and menthol. Herbal extracts were incorporated into the formulation with continuous stirring until a homogeneous cream was obtained.
Evaluation Parameters
- Physical appearance and homogeneity
- pH determination
- Spreadability study
- Viscosity determination
- Washability study
- Skin irritation test
- Stability studies
Results and Discussion
- Appearance: Smooth homogeneous cream
- Odor: Pleasant herbal odor
- Texture: Smooth texture
- Consistency: Good consistency
- Homogeneity: Excellent
- Spreadability: Uniform and satisfactory
- Viscosity: Suitable for topical application
- Washability: Easily washable
- Irritation: No redness, itching, or allergic reaction observed
- Stability: No phase separation or significant changes observed
The formulated cream exhibited satisfactory organoleptic characteristics with a pleasant herbal odor, smooth texture, and acceptable consistency. The pH remained within the acceptable range for topical application, ensuring compatibility with normal skin physiology.
Spreadability studies indicated uniform distribution over the skin surface with minimal effort. The viscosity was adequate to ensure retention on the skin while allowing easy application and removal.
No signs of irritation, itching, inflammation, or allergic reactions were observed during skin irritation studies, indicating the safety of the formulation for topical use.
The anti-acne potential of the formulation may be attributed to the synergistic action of glycyrrhizin and flavonoids from Glycyrrhiza glabra, limonoids and azadirachtin from Neem, curcumin from Turmeric, and anti-inflammatory compounds present in Chamomile. These phytoconstituents provide antimicrobial, antioxidant, anti-inflammatory, and wound-healing effects that collectively contribute to acne management.
Conclusion
The present study successfully formulated and evaluated a polyherbal anti-acne cream containing extracts of Glycyrrhiza glabra, Azadirachta indica, Curcuma longa, and Chamomile. The formulation exhibited satisfactory physicochemical properties including acceptable pH, good spreadability, suitable viscosity, homogeneity, and stability.
The cream was found to be non-irritant and suitable for topical application. The synergistic action of bioactive phytoconstituents present in the selected medicinal plants may contribute significantly to antimicrobial, anti-inflammatory, antioxidant, and skin-healing activities.
The developed formulation therefore represents a promising herbal alternative for acne management and skin care applications. Further microbiological investigations and clinical studies are recommended to establish therapeutic efficacy in acne patients.
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