You never had skin issues before, but now, sunlight exposure suddenly causes redness, itching, and stinging. If this started happening after the age of 50, it might not just be a sunburn—you're likely experiencing photosensitivity or a sun allergy . Sun allergies that emerge after 50 are often triggered by a combination of factors such as immune system shifts, medications, skincare ingredients, or hormonal changes. In this post, we’ll dive into the causes, symptoms, and effective prevention strategies for managing sun allergies in your 50s and beyond.     Main Causes of Sun Allergy After 50 Weakened immune response: As we age, immune regulation declines, making skin overreact to external stimuli like UV rays. Medications: Drugs for hypertension, diabetes, or cholesterol can cause photosensitive reactions when combined with sunlight. Thinner skin barrier: Hormonal shifts during menopause or andropause reduce skin’s natural defenses. Skincare ...

In recent years, EGF (Epidermal Growth Factor) has gained popularity in skincare due to growing interest in skin regeneration and anti-aging. While advertisements often tout EGF as a miracle ingredient, does it actually work? In this post, we’ll explore what EGF is, how it works, its clinical efficacy, and key points to consider when choosing EGF-containing skincare products.     What Is EGF? EGF stands for Epidermal Growth Factor , a naturally occurring protein in the body that promotes cell growth, differentiation, and regeneration . Initially used in medical fields such as burn treatment and post-surgery recovery, its ability to promote skin healing has led to its adoption in the cosmetic industry. How Does EGF Work on Skin? When applied to the skin, EGF sends signals to epidermal cells to accelerate their division and renewal. It enhances collagen synthesis , improves skin elasticity , reduces fine lines and wrinkles , and speeds up the healing proc...