◆AS (Acrylonitrile-Styrene Copolymer)
Characteristics: Low hardness, brittle material, produces a clear sound when lightly tapped; transparent color, with a slightly bluish base.
Applications: Can come into direct contact with cosmetics and food; commonly used for the bodies of ordinary lotion bottles, vacuum bottles, and small-capacity cream bottles.
Appearance: Transparent.
◆ABS (Acrylonitrile-Butadiene-Styrene Copolymer)
Characteristics: Engineering plastic, high hardness, not environmentally friendly, cannot come into direct contact with cosmetics or food.
Applications: Mostly used for inner covers and shoulder straps of acrylic packaging components.
Appearance: Color is slightly yellowish or milky white.
◆PP / PE (Polypropylene / Polyethylene)
Characteristics: Environmentally friendly material, can be directly used for cosmetics and food; lightweight, strong chemical resistance; classified into soft, medium and hard grades based on molecular structure.
Applications: Commonly found in canned organic skin care products, lotion bottles, and tubes, Plastic Packaging Bottles.
Appearance: White in color, semi-transparent.
◆PET (Polyethylene Terephthalate)
Characteristics: Environmentally friendly material, can be directly used for cosmetics and food; lightweight, high transparency, impact-resistant; relatively soft in texture.
Applications: Mainly used as a material for organic skin care products, beverages, and toner bottles.
Appearance: Transparent.
◆PCTA / PETG (copolyester material)
Characteristics: Environmentally friendly, can be directly used for cosmetics and food; high softness, good transparency; but the material is relatively soft and prone to scratching.
Applications: High-end skincare product packaging; mostly uses printing techniques, less spraying.
Appearance: Transparent.
◆Acrylic (PMMA, polymethyl methacrylate)
Characteristics: High hardness, excellent transparency, with a slightly white base color; To maintain the texture, most are colored during the spraying or injection molding process inside the outer bottle.
Usage: For high-end cosmetic bottles, commonly seen in lotion bottles and cream bottles.
Appearance: Transparent or colored transparent.
◆Comparison Table of Common Materials for Shampoo and Conditioner Plastic Packaging Bottles
| Material | Properties | Direct Contact with Cosmetics/Food | Common Applications | Appearance |
|---|---|---|---|---|
| AS | Low hardness, brittle, crisp sound when tapped | ✅ Yes | Lotion bottle body, small cream jars, vacuum bottle body | Transparent, bluish base tone |
| ABS | Engineering plastic, high hardness, not eco-friendly | ❌ No | Inner caps, shoulder covers, structural parts | Yellowish or milky white |
| PP / PE | Eco-friendly, strong chemical resistance, lightweight; adjustable hardness/softness | ✅ Yes | Organic skincare jars, lotion bottles, tubes | Natural white, semi-transparent |
| PET | Eco-friendly, lightweight, excellent transparency, relatively soft | ✅ Yes | Toner bottles, skincare bottles, beverage bottles | Transparent |
| PCTA / PETG | Eco-friendly, soft, high transparency, easy to scratch | ✅ Yes | Premium skincare bottles, often printed | Transparent |
| Acrylic (PMMA) | High hardness, excellent transparency, premium texture | ❌ Generally not for direct contact | High-end outer bottles (lotion bottles, cream jars) | Transparent, whitish base tone, often painted or colored |
◆Summary: Eco-friendly materials directly in contact with cosmetics or food → PP, PE, PET, PCTA, PETG, AS
Materials not in direct contact but used only as structural components or decorations → ABS, acrylic
For high-end packaging, acrylic outer bottles + inner containers (PP/PE/PET) are commonly used, which not only ensure aesthetics but also safety.