u/moheeetoz

I’ve been attempting to make my own lip gloss for the past month and I cannot figure out what I’m doing wrong. I want something that’s clear, has a nice shine, isn’t sticky, and actually stays on for more than 10 minutes but every single batch I make has major issues.

My current formula is roughly: Castor oil 60%, Coconut oil 20%, Beeswax 15%, & Vitamin E oil 5%.

The texture is okay when I first make it but after a few days it either separates into layers or becomes weirdly thick and difficult to apply. It also feels really heavy on my lips and kind of sticky which is the opposite of what I want. I’ve tried adjusting the ratios and I’ve tried adding different oils like jojoba or sweet almond but nothing seems to give me that smooth glossy finish that commercial glosses have. I’ve also noticed that when I wear it for more than an hour it kind of pills up in the corners of my mouth which is super annoying. I’m wondering if I need to use an emulsifier or if there’s some ingredient I’m missing entirely. Someone in a Facebook group mentioned using a lip gloss base as a starting point instead of making it completely from scratch but I don’t know where to source that or if it defeats the purpose of DIY.

My sister also sent me a link showing various cosmetic ingredients available on alibaba but I’m hesitant to order from there without knowing exactly what I need or if the quality would be reliable. Does anyone have a formula that actually works for a clear non sticky gloss? Or am I approaching this completely wrong? I’m starting to think maybe commercial glosses use ingredients that just aren’t accessible for home DIY.​​​​​​​​​​​​​​​​

Hey everyone, I’ve recently gotten into customizing my own fingerboards and I wanted to try making them from scratch rather than just buying blank decks. The idea of shaping everything myself sounded super fun, but I quickly realized that finding a reliable fingerboard mold is way harder than I expected.

I’ve browsed Etsy and a few hobby sites, but a lot of the molds either don’t have enough detail about the deck size, the concave, or the kicks, or the photos are too vague to trust. I even checked international marketplaces like Alibaba out of curiosity, and while there’s a ton of options, it’s tricky to know which ones are actually high quality and will produce something rideable instead of just a display piece.

I’m trying to make boards that feel realistic, so even the slight angle on the kick or the width of the tail matters. Some people online recommend DIY silicone molds, but I’m not sure if I want to mess with resin experimentation just yet. Has anyone here had experience getting a proper mold that actually translates into a good deck? Or is making my own molds really the only way to get exactly what I want? Any tips or reliable sources would be amazing.

It’s amazing that one of the most frequently occurring single-use items in our daily routines could come from something so small. Most don’t think too much about pens; when they stop writing or start to skip, most of the time your option is to throw away and get another. Because they’re seen as cheap to buy, they seemingly disappear in terms of waste. However when you realize how many are in use across businesses, schools, warehouses and homes on a daily basis, the amount of waste starts to add up quickly, because everyone is using cheap plastic pens that are durable enough to last for many years, but are being used just once then thrown away.

The ink in most pens runs out long before the pen itself would be at risk of breaking, as there are basically no systems in place for reuse and refilling existing pens.

After doing some research on manufacturing them through sites like alibaba, amazon and the rest of these online sites. I have realised that the most overwhelmingly obvious aspect is the sheer number of standard designs created to be produced on large scales. The designs are manufactured for mass consumption as opposed to durability or reliability in regards to reusing/refilling. Even most of the refillable pens that exist must compete with the disposable plastic pens, therefore are considered ""niche"" products rather than the accepted standard.

The answer concerning sustainability is quite simple, but not very enjoyable. We already have all of the components needed for producing refillable pens, metal bodies and long-lasting ink tanks yet still, the most common pen continues to be made from plastic and meant to be used just once.

It makes you realize how much waste is created not by necessity, but by habit and convenience.

I just want to share this small win because I’m honestly excited about it

i’m still new to PCB design. Mostly for hobby stuff after work. my latest project was a tiny handheld sensor board and I kept fighting space problems. Every revision that I made either became thicker, heavier, or cables started breaking after few bends.

At first I used normal FR4 boards connected with wires. Worked on bench. It failed immediately when I assembled the enclosure. the wires introduced mechanical stress on the solder pads, and one lifted during assembly.

….someone here once mentioned trying a Rigid-Flex PCB layout. I thought that was only for big companies or expensive products, but I decided to read more about it.

I didn’t fully understand stackups yet so I made many wrong assumptions. My first design had bend radius way too tight. The manufacturer actually emailed me asking if I was serious 😂, he saved me honestly.

Later on, I ordered a small batch through alibaba suppliers. Mixed experience. One vendor was super helpful and corrected my flex thickness choice. Another one sent confusing documentation and I almost approved the wrong copper weight. So yeah, not magic, still need to double check everything yourself.

But when the boards arrived… wow. No connectors, no fragile wiring, everything folded clean into the case. Felt like a real engineering moment for me.

still learning impedance rules and flex stress zones.

Anyone else move from wired boards to flex designs and suddenly feel like leveling up?

Hi everyone, I want to share a small lesson I learnt recently because maybe it helps save someone's time.

I am a master student working on a simple corrosion comparison test. Not the advanced type Just salt spray chamber, different alloys, weight loss measurement. Initially, i thought my setup was wrong because results change every week.

…Same samples. Same solution. Still different corrosion rate.

I checked the temperature sensor, humidity control, even recalibrated the balance two times. Still the problem persisted.

Then my supervisor asked one question: what material is touching your samples?

I hadn`t considered that variable initially.

Inside the chamber I was using small holders with stainless steel balls to keep specimens separated. I bought them cheap online, I think from alibaba a long time ago when the lab budget was still low. The listing said “304 stainless”, so I never questioned it.

Later I tested one ball with handheld XRF.

It was not 304.

…..higher sulfur content and maybe recycled melt. Small thing but it changed local electrochemistry. Basically a tiny galvanic effect happening near samples. My corrosion data was fighting me because of fixture material, not specimens.

After replacing holders with verified material, results suddenly became stable. Same protocol now repeatable.

So lesson for beginners like me: materials science is sometimes about everything around experiment, not only the main sample.

Curious if others here had experiments ruined by unnoticed material contact or contamination?

Last Sunday I went on a long drive with my friend. He was driving a fortuners vehicle. It felt smooth and strong on the road. I noticed how much space it had inside. It made me curious about this vehicle.

I checked a local showroom for more details. There were few cars to see. Some models were old and some were expensive. I wanted to compare features and comfort. It was difficult to understand all options with limited choices.

While scrolling many online marketplaces including alibaba I saw many fortuners vehicles. Some showed interiors and some showed different models. I could compare space, features and prices. It was easy to see what fits best for family and long trips. I realized online stores offered more options than local shops.

Now I am thinking is fortuners a better choice for long trips or are there other cars that offer the same comfort?

Moved into a new apartment about four months ago. Everything was fine except for one door... the bathroom, which squeaked so loudly every time it opened that it would wake up whoever was still asleep. I tried ignoring it for weeks. Couldn't.

Looked it up and every solution involved WD-40 or some kind of lubricant spray. I didn't have any and didn't feel like making a trip just for that. Started looking around the apartment for alternatives and landed on olive oil. Dabbed a little on the hinges with a cotton ball, opened and closed the door a few times to work it in and the squeak was completely gone. It took about three minutes.

That sent me down a path of figuring out what else around the apartment I'd been overlooking. Found out a rubber stopper wedged under a rattling cabinet door works better than anything sold specifically for that purpose. Also discovered that a binder clip on a fraying charging cable actually extends its life significantly.

Around the same time I noticed while looking through different home organization products online, including listings on sites like alibaba and amazon, that many specialty fixes are just everyday items repackaged and sold at three times the price.

Feels good to actually pay attention to what's already around you.