Introduction
Xerosis is a common dermatological condition characterized by excessive dryness of the skin resulting from impaired epidermal barrier function, reduced stratum corneum lipids, and decreased natural moisturizing factors. Clinically, it presents with scaling, rough texture, pruritus, and in severe cases, fissuring and inflammation.
Conventional management primarily includes emollients, humectants, and barrier-repair formulations. However, increasing interest in botanical dermocosmetics has positioned Aloe vera as a promising natural agent for xerosis management due to its hydrating, anti-inflammatory, and skin-repair properties.
Pathophysiology of xerosis
Epidermal barrier dysfunction:
Xerosis arises due to disruption of the stratum corneum lipid matrix, leading to increased transepidermal water loss (TEWL) and reduced skin hydration.
Reduced natural moisturizing factors:
Decreased levels of amino acids, urea, and lactate impair the skin’s ability to retain moisture.
Inflammatory and environmental triggers:
Cold climate, aging, harsh soaps, and systemic diseases contribute to chronic low-grade inflammation and further barrier deterioration.
Phytochemical composition of Aloe vera
Aloe vera gel contains a wide spectrum of bioactive compounds, including1:
- Polysaccharides (acemannan, glucomannans)
- Vitamins (A, C, E, B complex)
- Amino acids and enzymes
- Mineral content (zinc, magnesium, calcium)
- Anthraquinones (in trace amounts in inner gel)
These constituents contribute to its moisturizing, antioxidant, and anti-inflammatory properties.
Mechanisms of action in xerosis management
Hydration and humectant effect:
Aloe vera polysaccharides bind water molecules, improving skin hydration and restoring moisture balance in the stratum corneum.
Skin barrier repair:
Bioactive polysaccharides enhance keratinocyte proliferation and promote lipid matrix restoration, thereby reducing transepidermal water loss.
Anti-inflammatory activity:
Aloe vera suppresses inflammatory mediators such as prostaglandins and interleukins, reducing erythema, itching, and irritation associated with xerosis.
Antioxidant protection:
Vitamins C and E neutralize reactive oxygen species, protecting skin lipids and proteins from oxidative damage.
Wound-healing and regenerative effects:
Aloe vera stimulates fibroblast activity, collagen synthesis, and epithelial regeneration, improving skin texture and resilience.
Dermocosmetic applications of Aloe vera in xerosis
Moisturizing formulations:
Aloe vera gel is widely used in lotions, creams, and gels to provide immediate hydration and long-lasting moisturization.
Sensitive skin care:
Due to its low irritancy profile, it is suitable for atopic-prone and sensitive skin conditions associated with xerosis.
Adjunct in dermatological disorders
Aloe vera is used as supportive therapy in:
- Atopic dermatitis
- Ichthyosis
- Age-related xerosis
- Drug-induced dry skin
Post-procedural skin care:
It is commonly used after dermatological procedures to restore hydration and reduce irritation.
Evidence from research and review studies
Experimental and clinical studies have demonstrated that Aloe vera:
- Significantly increases skin hydration levels2
- Reduces erythema and itching in dry skin conditions
- Improves epidermal barrier function and elasticity
- Enhances wound healing in compromised skin
Review literature supports its role as a safe and effective natural humectant with adjunctive dermatological benefits.
Advantages of Aloe vera–based dermocosmetic strategy
- Natural and biocompatible skin moisturizer
- Multifunctional action (hydrating, anti-inflammatory, antioxidant)
- Low risk of irritation and sensitization
- Suitable for long-term use in chronic xerosis
- Supports barrier repair and skin regeneration
- Compatible with modern cosmeceutical formulations
- Can be integrated into daily skincare routines
Therapeutic role in xerosis management
Aloe vera contributes to xerosis management by:
- Restoring skin hydration and reducing dryness
- Improving stratum corneum barrier integrity
- Reducing itching and inflammatory discomfort
- Enhancing epidermal regeneration and elasticity
- Preventing progression to fissured and eczematous skin
Conclusion
Aloe vera represents a scientifically supported dermocosmetic strategy for xerosis management with significant moisturizing, anti-inflammatory, and barrier-repair properties.3 Its polysaccharide-rich gel acts as a natural humectant and skin restorative agent, making it a valuable adjunct in dry skin therapy. However, further standardized clinical studies are required to optimize formulation protocols and establish evidence-based guidelines for its dermatological application.
References:
- Surjushe A, Vasani R, Saple DG. Aloe vera: a short review. Indian J Dermatol. 2008;53(4):163-166. doi:10.4103/0019-5154.44785. https://pmc.ncbi.nlm.nih.gov/articles/PMC2763764/
- Fox LT, du Plessis J, Gerber M, van Zyl S, Boneschans B, Hamman JH. In Vivo skin hydration and anti-erythema effects of Aloe vera, Aloe ferox and Aloe marlothii gel materials after single and multiple applications. Pharmacogn Mag. 2014;10(Suppl 2):S392-S403. doi:10.4103/0973-1296.133291. https://pmc.ncbi.nlm.nih.gov/articles/PMC4078333/
- Handriani R, Agustina W. Aloe Vera Extract 75% Effective in Providing Xerosis Repair In Chronic Kidney Failure Patient’s. Jurnal Ners dan Kebidanan (Journal of Ners and Midwifery). 2020 Dec 5;7(3):415-20. https://www.researchgate.net/publication/347785535_Aloe_Vera_Extract_75_Effective_in_Providing_Xerosis_Repair_In_Chronic_Kidney_Failure_Patientas