{"title":"Randhawa 2016 — Daily facial broad-spectrum sunscreen and photoaging evaluation","entity_type":"Source","slug":"randhawa-2016-daily-sunscreen-photoaging","canonical_url":"https://skinknowledgebase.com/sources/randhawa-2016-daily-sunscreen-photoaging","dates":{"date_modified":"2026-06-14","date_reviewed":"2026-06-14"},"mcp_eligible":true,"summary":"Daily Use of a Facial Broad Spectrum Sunscreen Over One-Year Significantly Improves Clinical Evaluation of Photoaging is a cited source used for skincare","evidence_sources":[],"product_fact_sources":[],"related_entities":[{"title":"Does sunscreen actually prevent wrinkles?","url":"https://skinknowledgebase.com/questions/does-sunscreen-actually-prevent-wrinkles"},{"title":"What SPF should I use every day?","url":"https://skinknowledgebase.com/questions/what-spf-should-i-use-every-day"},{"title":"Can sunscreen make melasma worse if it isn't enough?","url":"https://skinknowledgebase.com/questions/can-sunscreen-make-melasma-worse-if-it-isnt-enough"},{"title":"Do I need to reapply sunscreen indoors?","url":"https://skinknowledgebase.com/questions/do-i-need-to-reapply-sunscreen-indoors"},{"title":"Is SPF 100 really better than SPF 50?","url":"https://skinknowledgebase.com/questions/is-spf-100-really-better-than-spf-50"},{"title":"Why do my dark spots come back after fading?","url":"https://skinknowledgebase.com/questions/why-do-my-dark-spots-come-back-after-fading"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["Peer-reviewed study used for daily sunscreen and photoaging appearance context."]},{"heading":"What Studied","paragraphs":["A 52-week study evaluating daily broad-spectrum facial sunscreen use and clinical photoaging parameters."]},{"heading":"Main Findings","paragraphs":["The study reported improvement in several photoaging evaluation parameters during daily broad-spectrum sunscreen use."]},{"heading":"Why It Matters","paragraphs":["It supports the page’s cosmetic-appearance rationale for daily SPF consistency without making product-specific promises."]}],"source_type":"peer_reviewed","original_source_url":"https://pubmed.ncbi.nlm.nih.gov/27749441/"}