K-Beauty Compass

Spicules: The Prickly K-Beauty Trend That's Like Liquid Microneedling

2026-03-08

If you've been following K-Beauty trends in 2026, you've probably heard of "Reedle Shots" or products that promise a "tingling" sensation. The secret behind this buzz is an ingredient called Spicules.

Often described as "liquid microneedling," spicules are taking the skincare world by storm, offering professional-level skin resurfacing results at home. But what exactly are they, and why would you want to put microscopic needles on your face?

What Are Spicules?

Spicules (Hydrolyzed Sponge) are microscopic, needle-like structures derived from marine sponges. In nature, they provide structural support to the sponge. In skincare, they are purified and used as a delivery system.

Unlike traditional chemical exfoliants (AHAs/BHAs) that work on the surface, spicules penetrate the epidermis. This physical penetration creates tiny micro-channels in the skin—similar to a professional microneedling treatment, but without the metal needles or bleeding.

How Do They Work?

The magic of spicules lies in their ability to "wake up" the skin and open pathways for other ingredients.

  1. Deep Penetration: The micro-channels created by spicules allow active ingredients (like Hyaluronic Acid, PDRN, or Cica) to bypass the skin's tough outer barrier and reach deeper layers where they can work more effectively.
  2. Skin Turnover: The presence of these micro-structures stimulates the skin's natural regeneration process. As the skin pushes the spicules out over 24-72 hours, it accelerates cell turnover, shedding dead skin cells and revealing fresh, smooth skin underneath.
  3. Circulation Boost: The tingling sensation is a sign of increased micro-circulation, which helps oxygenate skin cells and promote a healthy glow.

Benefits of Spicule Skincare

  • Enhanced Absorption: Makes your expensive serums and creams up to 10x more effective.
  • Pore Minimizing: Tightens sagging pores and improves skin elasticity.
  • Texture Smoothing: Effectively treats rough skin texture, acne scars, and fine lines.
  • Acne Care: Helps clear congestion and speeds up the healing of post-acne marks (PIH).

Does It Hurt?

Yes, you will feel it! Most users describe the sensation as a "prickly" or "tingling" feeling when applying the product and even when touching their face the next morning.

This sensation is normal and indicates that the spicules are embedded and working. The intensity varies depending on the concentration (often labeled as "Shots" like 100, 300, or 700).

How to Use Spicules Safely

  1. Start Low: If you are a beginner, start with a lower concentration (e.g., Reedle Shot 100) to let your skin adjust.
  2. Night Routine Only: Spicules can make your skin sensitive to light, so it's best to use them in your PM routine.
  3. Hydrate & Soothe: Since spicules stimulate the skin, follow up with a deeply hydrating and soothing moisturizer. Ingredients like Centella Asiatica, Panthenol, and Ceramides are perfect pairings.
  4. Skip Other Actives: Avoid using high-strength Retinol or Vitamin C in the same routine until your skin is accustomed to the sensation.
  5. Sun Protection: Always apply a broad-spectrum SPF the next morning, as your skin will be in a state of renewal.

The Verdict

Spicules are more than just a fad; they represent a shift towards "home-ceuticals"—skincare that bridges the gap between daily maintenance and dermatological procedures. If you're looking to break through a skincare plateau and achieve that "glass skin" texture, spicules might be the game-changer you need in 2026.