A mildly acidic formula that is excellent for damaged hair.
The hair cuticle is made up of moisture repelling properties on the outside and moisture attracting properties on the inside. SPIERA™’s perming solution contains a compound that has both of these features, making it ideal in the formation of concave curls. Being mildly acidic in formulation, SPIERA™ is also desirable in the use of treating damaged hair that is too fragile for alkaline treatments.
The amount of protein loss:

SPIERA™ treated hair remains natural-looking with low protein loss.
Easy to style, long-lasting curls.
SPIERA™’s strong perming action differs from existing mild, acid-based perming solutions. Only 2% product concentration in acidic conditions is needed to obtain all variety of curls.
Comparison of Curling Performance

SPIERA™ curling performance is quite high at only 2.5% concentration and respecting the pH of the hair.
Hair that feels like it hasn’t been touched by chemical processes.
SPIERA™ leaves hair feeling like it has been untouched by chemical treatments. Even previously damaged hair can return to silky smoothness after a treatment using SPIERA™, with less chemical odor.
Cuticle comparison after treatment:

SPIERA™ causes less damage to hair cuticles and keeps hair smooth.
Perming and Coloring is possible at the same time without loss of color.
Hair already damaged by coloring treatments can undergo SPIERA™’s strong perming action while receiving new color treatments. Colors will not run.
Hair color fading test:

Dyed hair treated with SPIERA™ experience less fading. Hence perming and coloring are possible simultaneously.