---
product_id: 32517840
title: "Semi Permanent Green Hair Dye, Siren's Song, 4 oz, 2 Pack | Bright Teal-Green, Vivid Blue Undertones, Vegan, Ammonia-Free & Cruelty-Free, Lasts 4-6 Weeks, Developer-Free"
brand: "manic panic"
price: "¥9905"
currency: JPY
in_stock: true
reviews_count: 8
category: "Manic Panic"
url: https://www.desertcart.jp/products/32517840-semi-permanent-green-hair-dye-sirens-song-4-oz-2
store_origin: JP
region: Japan
---

# Lasts 4-6 weeks semi-permanent Vibrant neon blue-green shade Vegan, cruelty-free & chemical-free Semi Permanent Green Hair Dye, Siren's Song, 4 oz, 2 Pack | Bright Teal-Green, Vivid Blue Undertones, Vegan, Ammonia-Free & Cruelty-Free, Lasts 4-6 Weeks, Developer-Free

**Brand:** manic panic
**Price:** ¥9905
**Availability:** ✅ In Stock

## Summary

> 🎨 Dare to Dye Different – Be Bold, Be You!

## Quick Answers

- **What is this?** Semi Permanent Green Hair Dye, Siren's Song, 4 oz, 2 Pack | Bright Teal-Green, Vivid Blue Undertones, Vegan, Ammonia-Free & Cruelty-Free, Lasts 4-6 Weeks, Developer-Free by manic panic
- **How much does it cost?** ¥9905 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/32517840-semi-permanent-green-hair-dye-sirens-song-4-oz-2)

## Best For

- manic panic enthusiasts

## Why This Product

- Trusted manic panic brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Conscious Beauty:** Vegan, cruelty-free, ammonia & paraben-free formula that nourishes and conditions hair
- • **Mix & Match Magic:** Customizable formula lets you create endless unique shades with other Manic Panic colors
- • **Salon-Quality DIY:** Best results on pre-lightened hair for vibrant, professional-grade color at home
- • **Long-Lasting Impact:** Semi-permanent formula delivers 4-6 weeks of bold, fade-resistant color
- • **Unleash Your Inner Siren:** Neon blue-green Siren's Song shade that turns heads instantly

## Overview

Manic Panic's Siren's Song is a high-pigment, semi-permanent neon blue-green hair dye that lasts 4-6 weeks. Perfect for DIY or salon use, it works best on pre-lightened hair and offers a customizable, mixable formula free from ammonia, parabens, and cruelty. This vegan, conditioning dye delivers vibrant, long-lasting color while nourishing your hair.

## Description

desertcart.com : Manic Panic Semi Permanent Green Hair Dye, Siren's Song, 4 oz, 2 Pack | Bright Teal-Green, Vivid Blue Undertones, Vegan, Ammonia-Free & Cruelty-Free, Lasts 4-6 Weeks, Developer-Free : Beauty & Personal Care

Review: 👍 - 👍
Review: Excellent hair color - Love how this colors my dark hair.

## Features

- Siren's Song Hair Color - Siren's Song is a neon blue-green shade. This high-pigment semi permanent hair dye delivers vibrant, long-lasting color that lasts 4-6 weeks, making it perfect for DIY transformations and salon applications.
- Customizable and Mixable Formula - Create unique, personalized shades by mixing with other MANIC PANIC colors or our Pastel-izer to create soft trendy pastel hues. High Voltage is the perfect semi permanent hair color for women and men who want to dye hair without using developer.
- Best Results on Pre-Lightened Hair - This temporary hair color works best to color hair that is a pre-lightened level 9 or 10 blonde. Use our Flash Lightning Bleach Kit to lighten hair before dyeing for best results. It can also be used as a hair dye for dark hair to achieve deeper shades.
- Conditioning and Resealable Formula - This semi-permanent hair color is formulated with nourishing ingredients to deeply condition hair, leaving it soft, hydrated, and smooth. The resealable tub allows for multiple uses.
- The Manic Manifesto - Manic Panic's hair coloring products are always Cruelty Free and Vegan - tested on celebrities, not animals! This vegan hair color is also ammonia and PPD-free, gluten-free, phthalate-free, and PETA accredited.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01D1SX2EI |
| Best Sellers Rank | #294,994 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #2,140 in Hair Color |
| Brand | MANIC PANIC |
| Brand Name | MANIC PANIC |
| Color | Siren's Song |
| Container Type | Jar |
| Customer Reviews | 4.0 out of 5 stars 82 Reviews |
| Full Cure Time | 60 minutes |
| Hair Color Permanence | Semi-Permanent |
| Hair Type | Normal |
| Item Form | Cream |
| Item Weight | 8.8 ounces |
| Manufacturer | MANIC PANIC |
| Manufacturer Part Number | HCR 11049-2pk |
| Material Features | Cruelty Free |
| Material Type Free | Gluten Free,Paraben Free,Phthalate Free |
| Model Number | HCR 11049-2pk |
| Number of Items | 1 |
| Package Information | Jar |
| Product Benefits | Provides vibrant, customizable, long-lasting hair color with a vegan and cruelty-free formula, free from harmful chemicals. Product Benefits Provides vibrant, customizable, long-lasting hair color with a vegan and cruelty-free formula, free from harmful chemicals. See more |
| Unit Count | 8 Fluid Ounces |

## Product Details

- **Brand:** MANIC PANIC
- **Color:** Siren's Song
- **Item Form:** Cream
- **Package Information:** Jar

## Images

![Semi Permanent Green Hair Dye, Siren's Song, 4 oz, 2 Pack | Bright Teal-Green, Vivid Blue Undertones, Vegan, Ammonia-Free & Cruelty-Free, Lasts 4-6 Weeks, Developer-Free - Image 1](https://m.media-amazon.com/images/I/71GG3BTXlAL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 👍
*by N***. on May 13, 2026*

👍

### ⭐⭐⭐⭐⭐ Excellent hair color
*by K***Y on May 2, 2024*

Love how this colors my dark hair.

### ⭐⭐⭐ Color did not take
*by T***T on May 14, 2023*

I am not shure what happened but it did not take on my daughter's hair

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**Shop now:** [https://www.desertcart.jp/products/32517840-semi-permanent-green-hair-dye-sirens-song-4-oz-2](https://www.desertcart.jp/products/32517840-semi-permanent-green-hair-dye-sirens-song-4-oz-2)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-06*