10 Best Beard Filler 2025 in the United States

Just For Men Mustache & Beard in Medium Brown (M-35) is a solid choice for those wanting to cover gray facial hair with ease. One of its main strengths is the simple application process; mixing the color and developer only takes a few minutes, and the included brush helps ensure an even distribution. The formulation, enriched with Biotin, Aloe, and Coconut Oil, promotes healthy facial hair, making it a more nourishing option compared to many traditional dyes. With 12 shades to choose from, you have a good chance of finding a color that closely matches your natural beard shade, and opting for a lighter shade is a safe bet if you're unsure.

On the durability front, this dye offers a decent lifespan, allowing for up to three applications per box, which is beneficial for those who need regular touch-ups as gray hair starts to appear. It works well on various types of facial hair, including mustaches and goatees, making it versatile for different styles.

However, there are a few considerations to keep in mind. The need for a skin allergy test before use may pose an inconvenience for some. Additionally, the five-minute waiting period might feel a bit long if you’re in a hurry. While the product is designed to be straightforward, not all users will feel confident mixing and applying dye, especially if they are new to it.

The Blackbeard for Men Formula X is a versatile beard filler designed for a quick, temporary solution to enhance your facial hair. It's particularly appealing for those with sensitive skin due to its hypoallergenic formula, which excludes harsh chemicals like ammonia, PPDs, and bleach, making it gentle and dermatologist-tested. This makes it suitable for users who typically experience irritation with conventional beard dyes.

The product's standout feature is its easy application process; there's no need for mixing. You simply apply it directly to your beard, mustache, eyebrows, or sideburns, which is great for quick touch-ups. The filler dries instantly, offering a no-mess experience. It's ideal for those who want efficient results without the commitment of permanent dyes.

Color-wise, the Brown/Auburn shade offers a natural look that can be adjusted in intensity, allowing users to either fill sparse areas subtly or create a more pronounced look. However, some may find the color range limited if their natural hair color is outside these tones.

In terms of longevity, the filler provides up to 12 hours of coverage, making it suitable for daily wear. Its water-resistant property ensures that it holds up well throughout the day, though it is temporary and will gradually fade without leaving harsh lines.

While the product is highly effective for short-term use, those seeking a more permanent solution might find it less appealing. Additionally, users looking for a wide range of color options might find the current offering somewhat restrictive. Nonetheless, its ease of use and gentle formula make it a strong choice for on-the-go grooming, especially for those with sensitive skin.

The Men Pen is a waterproof beard filler designed to help men fill in sparse facial hair and shape their beard, mustache, and even eyebrows. Its microblading-like precision allows for natural-looking strokes that blend well with your hair, giving a fuller and more defined appearance without looking fake. The pen comes in natural shades, including black and blonde, aiming to match different hair colors smoothly for a subtle, polished finish.

Its smudge-proof and sweat-resistant formula means it stays put through workouts, rainy weather, or long days, which is great if durability is important to you. Application is straightforward thanks to the pen form, making it easy to carry and use for quick touch-ups anytime.

This pen suits men looking for an easy, natural way to enhance thinner areas or sharpen their look without complicated grooming tools.