Formula ingredient
Polyquaternium-16
Polyquaternium-16 appears on this product’s ingredient list. Open its page to learn what it does and see other formulas that share it.
Products with Polyquaternium-16
13 products in the marketplace list this ingredient.
Thickening Spray
OUAI
$30
Get thick quick. Thickening Spray will get your strands looking thicker & fuller instantly. It also adds volume that lasts all day and helps repair hair to keep it soft & healthy.

big hit | volumizing conditioner
amika
$29
what is big hit volumizing conditioner? hit the high notes with big hit, a volumizing conditioner that instantly boosts volume that lasts all day* with weightless moisture that’ll send limp, lifeless hair home.* *based on a professional evaluation of 32 subjects.

big hit | volumizing shampoo
amika
$29
what is big hit volumizing shampoo? hit the high notes with big hit, a volumizing shampoo that instantly boosts volume that lasts all day* with weightless moisture that’ll send limp, lifeless hair home.* *based on a professional evaluation of 32 subjects.

iconic volume wash + style set | big hit volumizing shampoo + conditioner + rising star volumizing spray
amika
$79
what it is bring on a big hair moment with big hit volumizing shampoo + conditioner, then follow with rising star volumizing finishing spray for an extra big finish.

rising star | volumizing finishing spray
amika
$30
ready to rise to the top? enter: your fave styler for instant + all day root lift.* what is rising star? what it is don’t fall flat! rising star volumizing finishing spray lifts hair at the root for instant root lift that lasts all day long.* *based on a visual expert grading evaluation of 31 subjects who it's for…

super-sized iconic volume bundle | big hit volumizing shampoo + conditioner + rising star volumizing spray
amika
$147
what it is save 20% + *really* pump up the volume with this jumbo-sized (a whole liter!) big hit volumizing wash duo + rising star finishing spray to take flat, limp hair to voluminous + bouncy without the crunch or stiffness.

DAMAGE SHIELD protective conditioner 8.5oz
K18
$39
A nourishing, protective conditioner that helps shield hair from daily damage to help maintain hair health and improve smoothness and shine. Engineered to weightlessly soften and detangle while the K18PEPTIDE™ helps replenish hair during washing.

Damage Shield Wash Care Set
K18
$62
Full-size shampoo + conditioner duo gently cleanses, protects from damage, and leaves all hair types soft, smooth, and shiny with every wash.

Jumbo DAMAGE SHIELD protective conditioner
K18
$59
A nourishing, protective conditioner that helps shield hair from daily damage to help maintain hair health and improve smoothness and shine. Engineered to weightlessly soften and detangle while the K18PEPTIDE™ helps replenish hair during washing.

mini DAMAGE SHIELD protective conditioner 1.8oz
K18
$14
A nourishing, protective conditioner that helps shield hair from daily damage to help maintain hair health and improve smoothness and shine. Engineered to weightlessly soften and detangle while the K18PEPTIDE™ helps replenish hair during washing.

DAMAGE SHIELD protective conditioner 251 mL
K18hair
$39
A nourishing, protective conditioner that helps shield hair from daily damage to help maintain hair health and improve smoothness and shine. Engineered to weightlessly soften and detangle while the K18PEPTIDE™ helps replenish hair during washing.

Jumbo DAMAGE SHIELD protective conditioner
K18hair
$59
A nourishing, protective conditioner that helps shield hair from daily damage to help maintain hair health and improve smoothness and shine. Engineered to weightlessly soften and detangle while the K18PEPTIDE™ helps replenish hair during washing.

mini DAMAGE SHIELD protective conditioner 53 mL
K18hair
$14
A nourishing, protective conditioner that helps shield hair from daily damage to help maintain hair health and improve smoothness and shine. Engineered to weightlessly soften and detangle while the K18PEPTIDE™ helps replenish hair during washing.