Begin by identifying your hair type and the gloss you want, then compare the Locken serums available. The mini 30 ml option is ideal for everyday use and travel, offering lightweight shine without weighing hair down. For more intensive protection during heat styling and color-safe results, the larger Locks So Glossy formula is available in a 50 ml size and is designed to guard against heat and environmental factors. The lineup combines silicone-based films (cyclopentasiloxane, dimethicone) with nourishing oils like PRUNUS AMYGDALUS DULIA (SWEET ALMOND) OIL and OLEA EUROPAEA (OLIVE) OIL to boost shine while smoothing the cuticle.

The effectiveness comes from a thoughtful mix of lightweight silicones, natural oils, and protective filters. Cyclopentasiloxane and dimethicone form a sheer film that smooths the hair surface and reflects light for a glossy appearance. Sweet almond oil and olive oil provide moisture without heaviness, while squalane keeps strands soft and manageable. A UV-filter (Ethylhexyl Methoxycinnamate) helps shield color from sun exposure, and PEG 40 HYDROGENATED CASTOR OIL aids even dispersion. Together, these elements help reduce frizz, boost shine, and support styling with protection.

If you want an everyday glow and smoothness on all hair types, a lightweight serum like the mini 30 ml option is ideal for quick touch-ups and travel. For heat styling or color-treated hair, choose the larger 50 ml Locks So Glossy formula with heat protection and color-safe properties. Tips from the line include applying the serum to dry hair to add shine, using it before heat styling to reduce damage, and adding 2 to 5 drops to a hair mask for extra nourishment. These practices help balance shine with protection across routines.

These serums are described as lightweight and color-safe, and they avoid sulfates, parabens, phthalates, SLS/SLES, mineral oils, propylene glycol, drying alcohols, and synthetic colors. This suggests broad compatibility with color-treated hair and sensitive scalps. To get the best results, rely on the product’s guidance and the included usage tips: a small amount goes a long way, and you can apply before heat styling for protection or mix a few drops into a mask for extra nourishment.

The 30 ml mini option is perfect for trying the line, daily touch-ups, and travel because it fits easily in bags and requires less downtime between uses. The 50 ml Locks So Glossy formula offers longer use and added benefits like heat protection and color-safe properties for regular styling. Both share core ingredients—silicone films and nourishing oils—but the larger bottle is more convenient if you already know the product works for your routine.

No—this page features multiple serums from the Locken line, including a mini 30 ml variant and a Shine, Strengthen & Protect formulation, plus the glossy Locks So Glossy option in a larger size. Each version targets slightly different needs—daily shine, heat protection, and color-safe performance—so you can choose based on your styling routine and preferred finish.