Diamond Edge Color Pro Discount Code KILLERCOLORS (Oct 2026): 10% Off

Last verified: October 2026. Looking for a Diamond Edge Color Pro discount code? Diamond Edge Color Pro, which brands its store as Killer Colors, sells liquid hair fiber and refillable detail pens barbers use to sharpen lineups, plus Hair Growth Foam and plant-based shampoo bars. The code KILLERCOLORS took 10% off when we checked it.

Diamond Edge Color Pro discount code KILLERCOLORS (October 2026)

Code Discount What it applies to Last verified
KILLERCOLORS 10% off, checked at checkout Oct 28 2026 diamondedgecolorpro.com hair fiber, detail pens, foam and shampoo bars Oct 2026

10% off, checked at checkout Oct 28 2026. One code per order, and the code may not stack with other promotions. Confirm your total drops before you pay.

Shop Diamond Edge Color Pro with code KILLERCOLORS

How to use a Diamond Edge Color Pro coupon code

  1. Go to diamondedgecolorpro.com and add a detail pen, liquid hair fiber or a bundle to your cart.
  2. Continue to checkout.
  3. Enter KILLERCOLORS in the discount code box and click Apply.
  4. Check your total, then pay.

Diamond Edge Color Pro review: what they sell

The core of the range is color enhancement: Onyx Liquid Hair Fiber adds volume and coverage, and the Upgraded Detail Pen is a refillable applicator with a firm-but-soft tip for crisp edges and beard lines.

Around that sit grooming basics: a Hair Growth Foam with seven essential oils, Batana Oil and Mint Essence shampoo bars, and bundles that combine fiber, foam and pen. Some barber tools such as shears and clippers appear in the store but were sold out when we checked.

Best Diamond Edge Color Pro products and prices

Prices from diamondedgecolorpro.com in US dollars, checked October 2026.

Color enhancement

Diamond Edge Color Pro 1 Upgraded Detail Pen

  • 1 Upgraded Detail Pen ($25): a refillable pen filled with natural black liquid hair fiber.
  • Onyx Liquid Hair Fiber Enhancement (from $20): adds volume and coverage for a fuller look.
  • Bundle 4 ($65): Onyx Liquid Hair Fiber (4oz), Hair Growth Foam and the Upgraded Color Pen.

Hair care

Diamond Edge Color Pro Diamond Edge - Hair Growth Foam

  • Hair Growth Foam ($25): seven essential oils to nourish the scalp and lay hair down.
  • Batana Oil Shampoo Bar ($10): a bar made with batana (ojon) oil.
  • Mint Essence - Fresh Plant Shampoo Bar ($8): an anti-dandruff, deep-cleaning mint bar.

    • Is Diamond Edge Color Pro legit? Pros and cons

    Yes. Diamond Edge Color Pro sells through its own store with tracked USPS Priority Mail. Note that all products are treated as cosmetics and can't be returned.

    Pros

    • KILLERCOLORS took 10% off at checkout on Oct 28, 2026.
    • Refillable detail pen means less waste.
    • Shampoo bars from $8.
    • Fast Priority Mail delivery (1 to 3 business days).

    Cons

    • No returns or exchanges on cosmetic products.
    • Several tools were sold out when we checked.
    • Color pen comes in natural black only.

    Who Diamond Edge Color Pro is for

    Barbers who want sharper lineups and fuller-looking fades, men filling in a thinning hairline or beard, and anyone who prefers plant-based shampoo bars.

    Diamond Edge Color Pro shipping, free shipping and returns

    • Orders ship by USPS Priority Mail with tracking, delivered 1 to 3 business days from purchase.
    • All products are treated as cosmetic or beauty items and can't be returned or exchanged; contact the brand with questions before buying.

    Diamond Edge Color Pro FAQ

    Does Diamond Edge Color Pro have a discount code?

    Yes. KILLERCOLORS is the Diamond Edge Color Pro code we list, worth 10% off when we checked it at checkout on Oct 28, 2026. Enter it at checkout and confirm the discount before paying.

    Is there a working Diamond Edge Color Pro code right now?

    Yes. KILLERCOLORS took 10% off at checkout when we checked it on Oct 28, 2026. If it ever stops applying, we update this page.

    Is Diamond Edge Color Pro legit?

    Yes. Diamond Edge Color Pro sells through its own store with tracked USPS Priority Mail. Note that all products are treated as cosmetics and can't be returned.

    Is there a Diamond Edge Color Pro free shipping code?

    We did not see a free shipping code. Orders ship by USPS Priority Mail with tracking, and you can apply KILLERCOLORS on the same order.

    Is there a Diamond Edge Color Pro first order discount?

    We did not see a separate first-order offer on the site when we checked in October 2026. Try KILLERCOLORS at checkout; the discount shows in your cart before you pay.

    What does a hair fiber detail pen do?

    It brushes liquid hair fiber into the hair to define edges and fill sparse spots, so lineups and beard lines look sharper.

    Verdict

    For barbers and anyone touching up a lineup, the Upgraded Detail Pen ($25) or Bundle 4 ($65) is the place to start. Apply KILLERCOLORS at checkout for 10% off.

    Shop Diamond Edge Color Pro with code KILLERCOLORS

    Disclosure: this page contains affiliate links and codes. If you buy through them we may earn a commission at no extra cost to you. Prices, codes and policies can change; confirm the discount in your cart before paying.