How to Use a Trial Kit to Test New Skincare Products
By Three Ships | Published: 2026-07-27
Category: How-to Guides
Learn how to use a skincare trial kit like the Best Sellers Trial Kit to test new products safely. Step-by-step guide on patch testing, introducing products, and building a routine.
Starting a new skincare routine can be overwhelming, especially with so many products promising amazing results. That's where trial kits come in. They allow you to test multiple products in smaller sizes before committing to full sizes, saving you money and reducing waste. In this guide, we'll show you exactly how to use a skincare trial kit to find your perfect routine without irritating your skin.
Whether you're a skincare beginner or a seasoned enthusiast, a trial kit like the Best Sellers Trial Kit is a smart way to explore new formulations. We'll cover patch testing, how to introduce products one at a time, and how to build a simple routine from your kit. By the end, you'll know exactly how to make the most of your trial kit.

Why Use a Trial Kit?
Trial kits are designed to give you a taste of a brand's most popular products without the full-size commitment. They typically contain cleansers, serums, moisturizers, and sometimes treatments or masks. The Best Sellers Trial Kit from Three Ships, for example, includes a curated selection of their top-rated products, allowing you to experience multiple textures and ingredients.
Using a trial kit helps you identify which products work best for your skin type and concerns. It also reduces the risk of adverse reactions, since you can test each product individually. Plus, trial kits are travel-friendly and often more affordable than buying full sizes.
- Test multiple products at a lower cost
- Minimize waste from full-size products that don't work
- Perfect for travel or on-the-go skincare
Step 1: Patch Test Each Product
Before applying any new product to your face, it's essential to patch test. Apply a small amount of the product to a discreet area, like behind your ear or on your inner arm. Wait 24 hours to see if any redness, itching, or irritation occurs. This is especially important for active ingredients like exfoliants or retinol alternatives.
For example, the Dream Bio-Retinol + Shorea Butter Rejuvenating Cream contains a gentle bio-retinol that may cause sensitivity in some users. Patch testing ensures you can enjoy the benefits without unexpected reactions. If there's no reaction, you can safely proceed to the next step.

Step 2: Introduce Products One at a Time
Once you've patch tested, start by using only one new product at a time for at least three to five days. This way, if a reaction occurs, you'll know exactly which product caused it. Begin with the simplest product, such as a cleanser or moisturizer, before moving on to treatments.
For instance, you could start with the Purify Gel Cleanser Deluxe Mini, then after a few days add the Glow 49% Jojoba Oil Serum. Gradually build your routine by layering products from thinnest to thickest consistency. This methodical approach helps your skin adjust and lets you evaluate each product's performance.
- Start with a cleanser or moisturizer
- Wait 3-5 days before adding the next product
- Keep a skincare journal to track reactions and results
Step 3: Build a Simple Routine from Your Kit
After you've introduced each product successfully, you can create a complete routine. A basic routine includes a cleanser, serum, and moisturizer. You can also add a treatment mask a few times a week. The Best Sellers Trial Kit likely contains products that work synergistically.
For example, you might use the Purify Gel Cleanser Deluxe Mini in the morning and evening, followed by the Glow 49% Jojoba Oil Serum for hydration, and finish with the Restore Ceramides + Gotu Kola Barrier Repair Cream to lock in moisture. Once or twice a week, you can use the Superfruit Lactic + Multifruit 8% AHA Exfoliating Mask for gentle exfoliation. Remember to always apply sunscreen during the day when using exfoliating products.
Step 4: Evaluate and Decide Which Full Sizes to Buy
After using your trial kit for two to four weeks, you'll have a good idea of which products your skin loves. Look for improvements in texture, hydration, brightness, or any specific concerns like fine lines or dullness. Also consider how each product feels on your skin—does it absorb well? Does it cause breakouts?
Once you've identified your favorites, you can confidently purchase full sizes. For example, if you loved the Glow 49% Jojoba Oil Serum, you might want to buy the full-size version. The trial kit experience helps you make informed choices, ensuring your skincare investment is worthwhile.
- Note which products gave you the best results
- Check the full-size prices and compare value
- Re-purchase your top 2-3 favorites
A trial kit is the smartest way to discover new skincare without the risk. By patch testing, introducing products slowly, and building a routine, you can find the perfect products for your skin. Start your journey with the Best Sellers Trial Kit and see which products become your new favorites.



