Isntree Cosmetics – Korean Clean Ingredient Skincare Brand
Isntree is a Korean skincare brand specializing in clean ingredient, science-based formulas with high-concentration active ingredients. The brand name – "Isn't tree?" – reflects naturalness and natural origin as a foundation. Isntree is especially famous for hyaluronic acid sun protection products and retinol-based anti-age serums, combining effectiveness with sensitive skin-friendly formulas.
Isntree Main Product Lines
The collection features a hyaluronic acid sun protection line (cream, gel, stick), a retinol serum, and a probiotic ampoule.
Sun Protection – Hyaluronic Acid Sun Line
- Isntree Hyaluronic Acid Natural Sun Cream SPF50+ – a cream sun protection product SPF50+ with a hyaluronic acid complex. Moisturizes skin in one formula with high UVA/UVB protection. Natural, white texture suitable for daily use.
- Isntree Hyaluronic Acid Watery Sun Gel SPF50+ PA++++ – a light watery gel texture sun protection product with maximum PA++++ protection and hyaluronic acid complex. Especially suitable for oily and combination skin in its non-heavy gel form.
- Isntree Hyaluronic Acid Airy Sun Stick SPF50 – a convenient sun protection stick SPF50 with hyaluronic acid complex. Ideal for reapplication during the day or over makeup – non-sticky, light, and compact travel format product.
Active Care Products
- Isntree Hyper Retinol EX 1.0 Serum – a high-concentration retinol serum with 1% retinol content, designed for anti-age care, wrinkle reduction, and skin texture improvement. The formula is additionally equipped with soothing ingredients that reduce retinol-caused irritation.
- Isntree TW-Real Bifida Ampoule – a concentrated ampoule with bifidobacterium ferment and probiotic complex, strengthening the skin barrier, improving skin microbiome, and providing an intensive moisturizing and glow effect.
Most Popular Isntree Products Worldwide
- Hyaluronic Acid Watery Sun Gel SPF50+ PA++++ – one of the most highly rated K-beauty sun protection products for its light gel texture and maximum PA++++ protection.
- Hyper Retinol EX 1.0 Serum – popular among K-beauty anti-age enthusiasts for its high 1% retinol concentration and sensitive skin-friendly formula.
- Hyaluronic Acid Airy Sun Stick SPF50 – loved for its practically compact stick format and simple reapplication experience during the day.
Most Popular Isntree Ingredients
- Hyaluronic Acid – the main sun protection line ingredient, providing moisturizing along with high protection.
- Retinol (1%) – an anti-age ingredient that reduces wrinkles, improves skin texture, and stimulates skin renewal.
- Bifidobacterium Ferment – a probiotic complex component that strengthens the skin barrier and improves microbiome.
- Centella Asiatica – a soothing ingredient that reduces retinol-caused irritation.
Frequently Asked Questions (FAQ)
How do the Isntree sun protection cream, gel, and stick differ?
Natural Sun Cream – in cream form, suitable for dry and normal skin, providing a natural appearance. Watery Sun Gel – in a lighter gel form with maximum PA++++ protection, more suitable for oily and combination skin. Airy Sun Stick – in a compact stick format, ideal for reapplication during the day or use while traveling.
Is Isntree Hyper Retinol 1.0 Serum suitable for beginners?
1% retinol concentration is high, so beginners are recommended to start using 2–3 times per week in the evening and gradually increase frequency. The soothing ingredients in the formula help reduce irritation, but the skin adaptation period may last 2–4 weeks.
How do I use Isntree TW-Real Bifida Ampoule?
Bifida Ampoule is applied after toner, before cream – gently pat a few drops onto skin. Suitable for daily use morning and evening. Especially recommended for skin after using active ingredients (retinol, acids), as the soothing barrier restoration effect helps reduce possible irritation.









