Abstract Summary
Objective
To evaluate whether ashwagandha (Withania somnifera) produces measurable anti-aging effects on skin, based on clinical trial outcomes and proposed biological mechanisms.
Context
Skin aging is driven by collagen loss, oxidative stress, chronic inflammation, and cortisol elevation. Ashwagandha, a well-studied Ayurvedic adaptogen, addresses all four pathways through its withanolide compounds and cortisol-lowering properties, positioning it as a candidate anti-aging ingredient in both topical and oral formats.
Methods Used
Approach
Review of placebo-controlled clinical trials and mechanistic studies assessing ashwagandha's effects on wrinkles, elasticity, hydration, and collagen integrity.
Data Collection
Data drawn from PubMed and Scopus. Primary source: Narra et al., Cureus (2023), a 60-day double-blind RCT on photoaged skin.
Researchers’ Summary of Findings
Impact on Health
The 2023 RCT (Narra et al.) applied 8% ashwagandha lotion to 56 photoaged adults for 60 days. Results versus placebo: wrinkles −55.9%, skin elasticity +16.34%, hydration +20.66%, transepidermal water loss −15.12%, and pore appearance improved by 66.5%. Physician assessment scores improved by 74.69% in the ashwagandha group versus 48.68% in placebo (p<0.0001).
Health Implications
Evidence supports a meaningful anti-aging effect, particularly for photoaged skin. Results are most robust for hydration and elasticity. Long-term data and trials in older and more diverse populations are still limited. Topical use is well-tolerated; oral use should be avoided in pregnancy and certain medical conditions.
Sustainability
Ashwagandha is low-impact to cultivate and compatible with organic farming. Clinically standardized extracts (e.g., KSM-66, 5% withanolides) ensure consistent anti-aging efficacy and consumer safety.
DOI
10.7759/cureus.36168
