Skin Perfection Progeline Firming Serum Booster for Neck & Jawline, 0.5 fl oz — Peptide Concentrate (0.5–2% DIY Mix)

Skin Perfection Progeline Firming Serum Booster is a concentrated, professional‑grade peptide liquid you mix into your own creams or serums to target the appearance of sagging in the jawline, jowls, neck and décolletage.

This 0.5 fl oz blue glass bottle contains a water‑soluble Progeline (trifluoroacetyl tripeptide‑2) concentrate formulated for DIY blending so you can control strength from 0.5% up to 2%. It’s made without parabens, synthetic fragrance, fillers or animal testing and is intended for external cosmetic use only. The product is sold as a mixing booster — it must be diluted into a cream, gel or serum base before application and includes clear drop counts and recipes for reliable home formulation.

How do I use this booster safely in my skincare routine?

Only mix the booster into a base product — do not apply the concentrate directly to skin. Start at a low concentration and perform a patch test. Apply your finished blend to targeted areas twice daily for best consistency.

• Begin with 0.5% if new to peptide boosters, increase to 2% as tolerated.
• For a 2% mix: add 18 drops Progeline to 1 fl oz of your chosen base (hyaluronic gel, moisturizer, serum).
• Avoid direct eye contact; wait 5 minutes before layering active retinoids.
• Store finished mixes in a cool, dry place and use within three months.

What results can I reasonably expect and on what timeline?

Individual outcomes vary, but regular twice‑daily use often produces perceptible differences over weeks. The formulation supports a gradual improvement in the appearance of firmness when blended and used consistently as part of a broader peptide routine.

• Weeks 1–2: increased hydration and a mild tightening sensation.
• Weeks 3–4: early visual improvements in jawline or neck definition in photos.
• Weeks 6–8: more visible lower‑face smoothing and firmer look.
• 10–12+ weeks: continued refinement with ongoing application; maintenance required.

Can I combine Progeline with other peptides or actives?

Yes — the product is designed for peptide stacking and custom formulas. Use Progeline alongside Matrixyl 3000, Argireline, copper peptides, hyaluronic acid serums or vitamin C, adjusting concentrations and timing to avoid irritation.

• Morning example: Progeline blend for jawline, Matrixyl for collagen support, vitamin C, moisturizer, SPF.
• Evening example: Progeline on neck, Argireline for expression lines, copper peptide or retinol with a 5‑minute wait after peptides.
• Seasonally adjust concentration — lighter in summer, richer in winter.
• Always perform patch tests when adding new ingredients or raising concentration.

How does DIY mixing compare to pre‑mixed neck creams?

Making your own serums with concentrated Progeline gives you control over potency, freshness and cost versus many expensive, ready‑to‑use creams that include low peptide dosages and fillers.

• This 0.5 fl oz bottle yields roughly 300 drops — enough for 16+ one‑ounce batches at 2% concentration.
• Cost per treatment is significantly lower than most pre‑mixed neck creams priced much higher for smaller quantities.
• Freshly blended treatments retain potency and let you tailor strength to changing needs.
• Professional‑grade raw ingredient quality used by estheticians in a home‑friendly format.

Who is this for? Skin Perfection Progeline Firming Serum Booster is intended for adults seeking targeted cosmetic support for the appearance of laxity in the lower face, neck and chest who are comfortable blending concentrated actives into a base product. It’s particularly useful for DIY formulators, estheticians, and anyone who prefers adjustable concentrations, fresher formulations and the ability to layer multiple peptides. Do not use undiluted; discontinue if irritation appears and consult a professional if you have specific skin conditions. The product is cosmetic only and not a medical treatment.

Ingredients

INCI: Progeline (Glycerin (and) Water (and) Dextran (and) Trifluoroacetyl Tripeptide-2).