What Is Reedle Shot? Spicule Serums Explained — How They Work, How to Use Them, and Who Should Be Careful

Photo by Jan Kopřiva · Unsplash

When I was working at a beauty shop, I got a lot of questions about Reedle Shot. “Does this actually work?” “Does it sting a lot?” People knew it was trending, but many of them were using it without really knowing how it works or what to watch out for.

So today I want to lay out what Reedle Shot is, how to use it, and who should be careful with it, along with what I picked up behind the counter. Because it is designed to provide a mild form of stimulation to the skin, the most important thing is seeing how your skin responds before using it regularly.

So What Is Reedle Shot, Exactly — and What Do the Spicules Do?

First, a quick clarification: Reedle Shot is a product line from VT Cosmetics that uses spicules — a type of microscopic, needle-like structure derived from sea sponges. The name has become closely associated with this whole category of “spicule serums,” which is how I’ll use it loosely here.

Reedle Shot often gets described as “microneedling at home,” but it isn’t the same as a treatment that punctures the skin with metal needles. The key is that tiny, needle-shaped ingredient — the spicule.

• Spicules are tiny, needle-like structures derived from certain sea sponges, small enough to be invisible to the eye. In skincare products, they are used to provide physical stimulation to the skin. Depending on the product, spicules are blended with skincare ingredients like Centella Asiatica (cica), hyaluronic acid, and collagen.
• Spicules are understood to provide micro-stimulation at the skin’s surface and within the stratum corneum. Some research has reported that spicules may create temporary pathways through the skin barrier, potentially improving how certain ingredients are delivered into the skin.

So rather than “stabbing your face with needles,” it’s easier to think of it as very fine particles stimulating the stratum corneum to help with absorption and skin texture. And because it is a stimulating product, how you use it — and what to watch for — matters a lot.

⭐ The Numbers Mean Different Things by Brand — So Always Test

The most confusing part of shopping for a Reedle Shot is the numbers on the bottle. Different brands use different numbering systems.

• VT Cosmetics — labels theirs 100 / 300 / 700.
• Medicube — labels theirs 2000 / 3000.

A bigger number doesn’t automatically mean stronger, and the same number across two brands doesn’t necessarily mean the same intensity. On top of that, even at the same level, how intense it feels depends on the state of your skin. That’s why I told customers to test it before buying whenever they could.

⭐ If It’s Your First Time — Test First, and Start Low

Photo by BATCH by Wisconsin Hemp Scientific · Unsplash

If you’ve never used one, start with the lowest level. And where you test matters.

• If you’re new to the product, follow the manufacturer’s patch-test instructions first, and test a small area before applying it more broadly. Even if it felt fine on the back of your hand, the intensity can feel completely different on facial skin.
• Because tolerance varies with skin condition, I’d recommend giving your skin an adjustment period and moving up in steps.

For example, VT Cosmetics’ Reedle Shot line has different recommended usage frequencies depending on the level: 100 is intended for daily use, 300 once every three days, and 700 once a week, according to the manufacturer’s guidance. If your skin stings or the irritation lingers, however, cut back on frequency or stop using it. Get comfortable at a lower level, then work your way up.

Choosing by Ingredient

Reedle Shot products now let you pick a formula based on what you want out of it.

• Versions that include collagen
• Versions built around hyaluronic acid (hydration)
• Versions with soothing ingredients like cica (Centella Asiatica)

Choose the ingredient that matches your skin concern and current condition — but whatever the product, testing it on your own skin comes first.

⭐ Irritation and Safety — Who Should Be Careful

Reedle Shot is designed to stimulate the skin, which means it isn’t right for everyone.

• People with a compromised skin barrier or sensitive skin may experience more stinging and redness than others. (If your barrier is already weakened, soothing and repair come first.)
• If you have rosacea, eczema, or active inflammatory acne, or any broken or infected skin, skip it — and consider consulting a professional such as a dermatologist if needed. (If your skin is sensitive, be especially cautious.)
• Mild tingling can occur during use, but if you experience sharp pain, or redness, swelling, or itching that persists, stop using it. Don’t push through by rubbing harder or using it more often.

How to Use It in a Routine — “Soothe as Much as You Stimulate”

The main rule with Reedle Shot is not to stack it with other things that could add irritation.

• What to skip alongside it — on days you use Reedle Shot, it’s safer to avoid strong exfoliants or layering several potentially irritating actives at once. Especially at the beginning, keep the routine simple and focused on hydration and soothing.
• A basic routine — cleanse → tone lightly to smooth the skin → Reedle Shot → finish with a hydrating serum or a calming cream. Giving stimulated skin one more round of soothing and moisture is a good idea.

The basic idea is simple: after stimulating the skin, keep the rest of your routine gentle, soothing, and hydrating.

Where You Can Try It

You can find Reedle Shot products at the beauty section inside Korean grocery stores in Vancouver, and some shops let you test them in store. If it’s your first time, I’d recommend testing where possible, double-checking with the staff member helping you, and then buying. (Which products are carried where can vary by store and by season.)

Wrapping Up

Reedle Shot really comes down to two things — finding the level that suits your skin by actually testing it, and soothing and moisturizing in proportion to the stimulation you gave it. Rather than jumping straight to a high level because it’s trending, the realistic approach is to start low and move up slowly while watching how your skin responds. And if your skin is sensitive or your barrier is weakened, repairing it first beats forcing your way through.

References

• VT Cosmetics — official Reedle Shot product page
• Skin Cupid — VT Reedle Shot / spicule technology explained
• Tira Beauty — Everything about spicules (dermatologist)
• Rael — Are spicules safe for skin?

This article is for general information. How a product feels and how irritating it is will vary from person to person and with skin condition. If you experience irritation or an adverse reaction, stop using it and consult a professional if needed.