Jane YooFounder and Curator, K-Beauty Immersion at SCC Supplier's Day · Board-Certified Dermatologist & Mohs Surgeon | K-Beauty Strategist | Health Policy Analyst | BeautyTech & AI Consultant

What to Use After Sun Exposure | Dermatologist’s After-Sun Care Guide

1 Aug 2026 · 2 min

Watch on YouTube

1:50

In this video, the presenter explains why after‑sun skin care is essential even when sunscreen is used, describing how UV exposure causes inflammation, barrier damage, and loss of moisture and antioxidants, which can accelerate aging signs such as wrinkles, hyperpigmentation, and rough texture. The speaker outlines the key functions an after‑sun product should provide—soothing, cooling, rehydrating, and supporting the skin’s natural repair processes—to both immediately comfort the skin and protect its long‑term health. Two specific products are highlighted: ISDIN After Sun Spray, a quick‑absorbing, non‑sticky spray that contains the calming agent Bisviol to reduce redness, irritation, and peeling while helping to prolong a tan; and La Roche‑Posay Post Helios Antioxidant Hydrogel, a gel with 76% thermal spring water, vitamin E, and a heat‑activated antioxidant called venusian that neutralizes UV‑induced free radicals, hydrates for up to 48 hours, and is suitable for face and body. The video positions these products as targeted after‑sun solutions rather than ordinary moisturizers, encouraging viewers to keep one on hand after any extended outdoor exposure for immediate relief and long‑term skin health.

Chapters

Spent a little too much time in the sun? Your skin knows it. Whether it's feeling tight, dry, or irritated, after-sun care can make all the difference. Even with SPF, UV exposure takes a toll. It can trigger inflammation, damage your skin barrier, and deplete your skin's moisture and antioxidant reserves. That's why after-sun care isn't just about comfort. It's about helping your skin recover from cellular stress and reducing the risk of long-term damage and preventing visible signs of aging like wrinkles, hyperpigmentation, and rough texture. A good after-sun product soothes, cools, and rehydrates while supporting the skin's natural repair processes. It's one of the easiest ways to protect your glow in the long run. Here are two examples that fit the bill. First, ISDIN After Sun Spray. This one delivers quick cooling relief. The spray format makes it easy to apply, even upside down, and absorbs quickly without any sticky residue. It contains Bisviol, a calming ingredient that helps reduce redness and irritation. It also helps prolong your tan by minimizing peeling. Next, La Roche-Posay Post Helios Antioxidant Hydrogel. This refreshing gel is made with 76% thermal spring water, vitamin E, and venusian, a heat-activated antioxidant that helps neutralize free radicals from UV exposure. It hydrates up to 48 hours and works on both the face and the body. These aren't just regular moisturizers. They're designed to actively support sun-stressed skin. Keep one in your routine after any long day outdoors. Your skin will thank you immediately and in the years to come.