The beauty of prebonded hair extensions lies in their invisibility and durability. However, many extension wearers share a common concern: to protect the extensions, they are always extremely careful when washing their hair, resulting in an unwashed scalp that is prone to oiliness or itching. Prebonded hair extensions are most susceptible to oiliness and chemical residue. Scalp oil and shampoo residue not only affect comfort but also accelerate the breakdown of keratin glue, causing the extensions to loosen and slip off!
Today, we will reveal the “sandwich” washing and conditioning method recommended by professional salons, teaching you how to achieve a thorough deep cleansing of the scalp while protecting the extensions.
What is the Professional Hair Care “Sandwich” Method?
The “sandwich” method is a structured hair care process designed to layer cleansing and protective actions, ensuring that cleansing is concentrated on the scalp, while nourishment and smoothing are focused on the hair ends, completely avoiding the hair extensions.
First Layer (Bread)
Pre-wash and lather (Preparation)
Second Layer (Filling)
Targeted massage and deep scalp cleansing (Core cleansing)
Third Layer (Bread)
Conditioning and moisturizing the hair ends (End protection)
First layer (bread): Pre-wash and foaming – Gently initiate cleaning
This step prepares the shampoo for deep cleansing, ensuring it works evenly and gently on the scalp.
Pre-wetting and Detangling
Dilution and Lathering (Crucial)
Application
Second Layer (Filling): Targeted Massage and Deep Cleansing – Breaking Down Oil and Grime
- Sectional Cleaning: Divide your hair into several sections (crown, sides, and nape), then use your fingertips to gently probe the scalp along the hair partings and the paths where the hair extensions are attached.
- Fingertip Massage (Core Action):
Using your fingertips, gently but firmly massage the scalp in a circular or back-and-forth motion, as if you are “moving” the scalp rather than “rubbing” the hair.
Caution: Absolutely do not forcefully rub the hair extensions or gather all the hair together and rub it, as this will cause tangling. - Auxiliary Tools (Recommended): It is recommended to use a silicone scalp massage brush/shampoo brush. This brush can penetrate the hair extensions and directly contact the scalp, helping the lather penetrate the hair follicles and achieve a cleaning effect that is difficult to achieve manually.
- Thorough Rinsing: Rinse with gentle running water from top to bottom, ensuring that all lather, oil, and residue are completely washed away. When rinsing, pay special attention to the area around the hair extensions to ensure there is no shampoo residue.
Third Layer (Bread): Conditioning and Moisturizing the Hair Ends – Creating a Barrier for the Extensions
This step is the “oil-proof layer” to protect the keratin bonds, ensuring that the conditioner does not contaminate the bonds.
- Conditioner/Hair Mask Application: Apply conditioner or hair mask only to the middle and ends of the hair shaft (below the earlobes), avoiding the area around the hair extensions by at least 5-8 centimeters.
- Purpose: The oils and silicones in conditioners are the culprits that break down keratin glue. Keeping them at the ends of the hair provides moisture while ensuring the hair extensions remain secure.
- Second Rinse: When rinsing the conditioner, try to keep your head upright so that the water only rinses the ends of your hair, avoiding prolonged contact of conditioner-laden water with the hair extensions.
- Towel Drying and Blow Drying: Gently press with a towel to absorb excess water (do not rub), and immediately begin blow-drying. Please remember that the bonding areas must be 100% completely dry; otherwise, it may cause odor or loosening.
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